iPhone's design flaw shows that 10 years later, their engineering is still a joke
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- เผยแพร่เมื่อ 12 มิ.ย. 2024
- Say hi to Jesse Cruz for me / cutvp8commw
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TIMESTAMPS:
00:00 - Introduction to issue
00:28 - iPhone 11 problem
01:08 - Mic is not necessary for phone to function
01:35 - Detailed read of the issue
02:55 - Was this done on purpose? No - just Apple engineering!
04:01 - If Apple made a car...
04:45 - How repair shops deal with this
05:38 - Guides to the rescue!
06:33 - Our goal
08:07 - My frustration with the "experts"
09:27 - We solve these issues - not the manufacturer
09:45 - We have earned a seat at the table
10:10 - Thank you to the Boye Foundation!
Some happy guides:
👉 repair.wiki/w/How_To_Fix_an_iPhone_14_Pro_That_Randomly_Restarts
👉 repair.wiki/w/How_To_Fix_an_iPhone_13_That_Randomly_Restarts
👉 repair.wiki/w/How_To_Fix_an_iPhone_12_That_Randomly_Restarts
👉 repair.wiki/w/IPhone_12_Stuck_In_Recovery_Mode_After_Water_Damage_Solution
👉 repair.wiki/w/How_To_Fix_an_iPhone_SE_2020_That_Randomly_Restarts
👉 repair.wiki/w/How_To_Fix_an_iPhone_11_Pro_That_Randomly_Restarts
👉 repair.wiki/w/How_To_Fix_an_iPhone_XS_That_Randomly_Restarts
👉 repair.wiki/w/How_To_Fix_an_iPhone_X_That_Randomly_Restarts
👉 repair.wiki/w/How_To_Fix_an_iPhone_11_That_Randomly_Restarts
The discord for wiki management & curation: discord.com/invite/ZrC43grpuv
And, of course, a thank you to everyone who made this possible. I've been posting guides & solutions to my channel for a long time, but watching all of you get involved and it taking on a life of its own over the years has been the most uniquely rewarding experience of my life.
Their design is a joke because the few competent people they've got, they don't listen to... ^^;
They have the best engineers in the world no way its an accident.... just saying planned obsolescence is a reality
Is there a modern (less than 5 years old) iPhone model with a good design?
@@handsanitizer2457Good point
@@handsanitizer2457 Yes, but planned obsolence isn't like this. It's made to look the device just died after a few years of use (3-4).
Case in point, biggest boiler supplier in Europe flat-out told service guy that the reason he can't find a replacement for that part... is because it's made to break and therefore they do not have spare parts.
Another thing that makes this issue so infuriating is that particular mic isn't even used during phone calls or FaceTime, it's only used during video recording.
yeah, only during video recording... oh and when storing random recordings when you talk, maybe that's when it crashes
@@kaitek666 It's worse than that. The crash doesn't occur only when that mic is initialized, if the system doesn't receive a "check in" from that component the phone will restart every 3-4 minutes like clockwork. There are other components that are not technically needed for the phone to run that will cause this issue as well. This has been happening since the iphone XS.
Which is the proof that Apple is malicious in making the phone dysfunctional for a non-critical part failure when a simple warning would suffice. Those phones are so aware of all their serialized components now that they know the part that is not working does not need a constant rebooting to fix and that if it is not fixed after X reboots, IT WILL NOT BE FIXED BY ONE MORE! It will get the annoyed customer to pay to fix or replace their phone though.
designed failure is all the rage these days.
@@michaelscarport At least in that case, the brighter you make an incandescent lightbulb, the more efficient but shorter-living it gets, so there was a very real value in imposing standards with active testing because a lot of the engineering responsible for the short lifespan was directly responsible for high energy efficiency and brightness.
Apple: We'll pay you a huge bounty if you find a software vulnerability.
Repair shops: What if we find a hardware fault.
Apple: *Encrypts hardware logs*
Oh yeah, my stepdad reported issues with Mac OS and iOS on the forums and was contacted directly by developers who had him recreate the issue after they installed some monitoring software on his device.
Things that require them to spend obvious money and not just developer time to fix they would rather pretend it never happened.
😂Apple sumed up 😂
The iPhone 12 is even worse. If the front mic/ prox sensor assembly is disconnected or damaged the screen remains black. Phone is on but the screen is just black.
i feel like this is done on purpose to get users to buy new iphones
All of this will get documented in the wiki in due time!
Funny. I recently installed Ubuntu Touch on my FairPhone which soft bricked all the sensors. I figured out the fix later (you need to root and run restorecon -FR /mnt/vendor/persist when installing another operating system) but the failure mode for the screen was the obvious one: Just stay on.
@@noneyourb172 that's the obvious failure mode, but Apple thinks Differently TM
PGR and Louis Rossmann what a great duo
I wouldn't call "apple making phones that easily break themselves" an engineering flaw, I'd call it their business model.
A sad reality
And the sky is falling.
Everyone knows you haven’t used an iPhone in years now.
Yikes, that's a lot to unpack. Assuming I'm blindly anti apple because you also assume I haven't used apple products in years.
Thats a bit of a reach there.
@@pefhra oh like the 12s with dying speaker. Well more than the 12s with that wide spread but even worse with them. And they can't just replace the ear speaker. They have to replace the whole display for $300!
And it took them a year to admit it was an issue....but it was an issue for the 12. All the pros and pro maxes that had the exact issue....well it wasn't a know issue so tough luck. Just like bendgate and touch disease on the 6, 6s, 7s. Pluses as well. Which again years later while still denying the defect after silently fixing the line up said oh from the kindness of our hearts you can get the repair half off. And then a couple more years and the proof came out they knew about the weak point the whole time. And never faced any legal issues.....
@@pefhra or ooo!!!! I know!!! Let's try the latest ones for 5G, Oled, 48mp camera, faster charging, faster wireless charging, and other great features.....oh wait.....
It’s a feature, not a bug. They don’t want robust products, they want all or nothing design where you get the exact same experience as anyone else using the phone. If a minor sensor or peripheral malfunctions, they want you to chuck the entire product and will write code to encourage you to do so. It’s the equivalent of having to buy a new car if a temperature sensor in your engine is broken.
Exactly. Well put.
This person understands Apple design philosophy. They are very anal about "the experience" being just so and that would explain them making stupid decisions like bricking a product over one nonessential component failure.
Aaaand people still buy that shit...
A hooray for framework, they should build a phone...
Don't give them too much credit - these are the same people that developed:
-A mouse where the base clicks in instead of having buttons on top
-A monitor where what should be the power button is instead a recessed light sensor
-An operating system where all the buttons are back-to-front ("No", "Yes" dialogs, window controls in the top left of the title bar, etc.)
-A Fisher Price task bar that doesn't show you the instances of each application you have open
-A mantra of 'less is more' when it comes to buttons
-Touchscreens
-Bland over-priced PCs which cost nearly as much as an Alienware computer but due to the operating system, can't play most of the games and can't have their hardware upgraded
-Flat plasticy keyboards that make an obnoxious clacking sound when you type on them
-An equally obnoxious mouse pad which you have to forcibly push in to perform a click
-Cables held in by magnets which fall out from a mild tap
-Error messages even an infant could find patronizing
-Sometimes no error messages at all and instead an irritating spinning rainbow sweet
-Marquees instead of progress bars
-A complete lack of configurability in their products
-Due to the lack of configurability, the claim that their products don't get viruses unlike Windows
-Making the flashiest, most-noticable part of their devices a part-eaten apple (Why not add a worm while you're at it? Or would that be too complicated for your feeble minds?)
-Arbitrarily adding i to the beginning of their product names failing to realize that all phones, MP3 players and Operating Systems are interactive
-Shortening Applications to 'Apps' - because apparently 4 syllables is 3 too many for them
I'm sure there's 100 more I could list if I could be bothered. These people are idiots and a shame to the engineering industry - there's absolutely nothing appealing about their products unless you're a masochist or someone as obnoxious as they are and want to show everyone how 'trendy' you are by having an ass-backwards waste of money.
Gotta keep those surveillance devices on.
As someone who works in a repair shop that mainly focuses on iPhones and iPads, this issue affects all iphone X and newer iPhones and is a daily occurrence. So frustrating...
Is there any particular model that seems to hold up better?
@@irjlevelet I wouldnt say theres a specific one thats better. Every model has its own flaws.
nokia 6310 don't do it 😀
@@nparbs Is there anything better than other styles?
I still find it hard to understand why anyone would buy any apple product. The way I see it, there are two requirements for a person to want to buy an apple product, stupidity and wealth.
How does this company sell anything? Answered my own question eh 😄
Is not your phone, Louis. It's their shock collar that was assigned to you.
and you are paying ridiculous sums for the privilege.
Oh please pin this 😂
sometimes it seems like this shock collar is attached to Louis specifically, so he suffers for us every time the technology industry does evil things
If that were true it would cost Louis no money. He could get it for free with a permanent unlimited lifetime warranty.
@@BanazirGalpsi1968 they always charge to add insult to injury.
I personally don't believe it's a mistake,I think they do it on purpose. Sadly. I used to love Gateway computers when they first came out (I'm that old). Everybody laughed and picked on me because I refused to get a Mac. The reason for that was when you bought a Gateway it came with a big thick book (manual) that not only showed you how to set it up,but also how to repair it down to removing everything off the drive and reinstalling it. It was amazing and they had my loyalty from day one for that. I think the cell phone manufacturers should be made to give out manuals just like that for repair purposes. This BS about coming out with a new model every six monthe to a year is ridiculous. Thanks for all you do,
If it was incompetence, by pure chance they'd occasionally make something with a brilliant design.
The fact that it's always a detriment to the customer and profitable for Apple proves maliciousness
Yes. The company was Gateway 2000 back then. My first PC. It had a 386SX processor, which was a 386DX with the math coprocessor disabled. 16Mhz was the speed, I believe.
I still got the ol' cow pattern box my old gateway came in 😅
Gateway 2000 was my first pc too. 🤘
Unfortunately this kind of business model doesn't work in our culture because everything in life must be "convenient". The iMac was a massive success because it was plug and play; plug in 3 cables, press the power button, a few minutes later you're ready to browse the internet. The OS was designed specifically to be no BS and that a child could use it. If it broke, you brought it somewhere for repair.
The desktop PC in general faded as soon as laptops became good enough because they too are more convenient.
I can't describe with words how much I despise this culture. As an electrician, the amount of calls I get where people ask me to come change a lightbulb is alarming.
(Former) driver dev here (while I primarily focused on NTDDK, I'm familiar with the XNU/Darwin IO kit). This is just the driver developers, program managers and Apple being sloppy and then deciding the fix wasn't in their best interest. Of course iOS (XNU/Darwan) has provisions for handling device disconnects (and has support for layered drivers, user-mode drivers, dynamic resource config for hot-plug, etc., etc.) and this absolutely shouldn't result in a kernel panic. They simply decided to not implement proper handling in the driver (or some aspect of the IO kit stack) because "that should never happen". That it results in a kernel panic is only acceptable to Apple because it drives some kind of revenue (e.g. "let's not fix this, as the problem is the solution"). Any other platform and this kind of a driver and device handling defect would be treated as a sev A, super-critical, totally borked up, bit of nonsense that needed immediate fixing.
That's where I'm at - having been in the software industry for a decade, I can absolutely see this making its way into the wild without it being a malicious occurrence. The part that IS malicious is not addressing this as high priority, production breaking bug, which it is. Gracefully handling failure modes is one of the most important parts of modern software development, IMO.
Yeah my guess as well. Probably not made on purpose, but definitely the guy that should be working on it was probably assigned to other stuff because they just think it's not worth "wasting" time making their product more robust
Quick question: does XNU/Darwin have anything really anal in a useful way here like static driver verifier?
@@Ariccio123 😀
As a dumb warehouse worker who just grinds for 25 years getting food to stores, I want to salute all the tech geeks ( not insult) y’all make the world move like the rest of us. Thank you for what you do, I can barely understand what you said, but it’s obvious you have the passion to make things work.. and work properly. Thank you.
Next iOS update: crash logs no longer exposed through the user accessible settings menu.
It's for your own security! because... uh... CRIMINALS! yes! 𝘤𝘳𝘢𝘤𝘬𝘦𝘳𝘴 could use it to infiltrate into the mainframe of your phone and- and.. activate internal security systems that could give them access to banks of memory that contains your data! YES! IT FOR YOUR SAFETY AND YOU WILL BE HAPPY!
They’re simply taking NO CHANCES on having downtime from spying on you.
It feels like everybody has appearently become "conscious" about these spying conspiracy theories, which are ultimately false :/
The only actual spying is from facebook and thats it
Yep. Bluetooth is next
"If it can't listen to your background conversations at all times your phone might as well not be working at all"
-Apple inc. , probably
The issue with the car window analogy is that there is no benefit to the manufactures if your windows don't function. Your precious personal conversations on the other hand (which we all know the phones are always listening these days) is worth it for them to insure its working at boot and always available for that ad revenue.
Gotta keep those surveillance devices on.
Hey hey hey, save some paranoia for the rest of us!
tweaker
No no Louis.....its never Apple's engineering thats to blame. Its always the customer that is using it incorrectly. Remember.....you are holding it wrong!
@@MrAn0n 🤣🤣🤣🤣🤣🤣🧐
Oh I remember it . . the iPhone 4 & 4S! I wonder if they just didn't have a good 3G and 4G testing suite, because how could they not have caught the fact that the antenna placement is blocked when the phone is being held?
Regardless, it was their response to these problems that really pissed me off, because if they would have said: "Hey, this is 100% our bad, and our options are limited since the iPhone is already. We have made some design changes for our next iPhone, and this specific reception issue will not occur. In the meantime, a workaround has been found: by gripping your iPhone 4 or 4S from the very bottom, more of the antenna will be exposed, giving you much better reception. On behalf of everyone at Apple, we are very sorry about this issue, and we are committed to finding working solutions for our customers."
HOW HARD WAS THAT?! THAT TOOK ME 2 MINUTES USING VOICE-TO-TEXT WHILE REBALLING AN AMD APU, YET APPLE TOLD THEIR CUSTOMERS THAT IT WAS THEIR FAULT, THAT THEY'RE HOLDING THEIR IPHONE WRONG BECAUSE OF THEIR INCOMPETENCE!
Also, I know that low power to the modem was also involved with the reception problems, especially on the CDMA Verizon devices, and that always seemed like something that could be at least tweak via firmware.
Anyway, sorry for the Ted talk, but when I saw your comment the trauma of that came back! We should never forget about that whole debacle, because telling someone they're holding their phone wrong and response to poor design decisions is just gross.
@@MrAn0n😂😂🤣🤣🤣
@@jacksonsneed7689 well said.....but here's the reality..... Apple's customers totally bought it. For some reason Apple's customers enjoy being treated like d@#kheads.
Lol never forget. I remember those colored bumpers being marketed to "fix" the problem.
Wait, I've seen this design before in shipping crates. Wedge a ribbon in between two metal plates so that if the package is dropped or mishandled, the ribbon is cut, thus alerting the receiver that FedUps might have broken their gizmo.
The conspiracy theorist in me wonders if this *was* an intentional design so they could tell users, "You clearly dropped it. Too bad you didn't spring for drop protection..."
The reason behind the reboot when your mic is not detected is to prevent people hardware switch deactivating their micrphones that secret services use to listen to you
No, it's because of improper handling of hardware errors.
targeted destruction would work to cant sell phones that break in 6 months if your luck if all they have is shattered pieces double points to the cell that figure out how to demolish their factories too
No. You re just defending apple and you dont work for apple so dont bring a sick theory so apple doesnt look bad.
@@erubianwarlord8208 This is as believable as vaccines making people die.
Imagine if you could open your phone and look in how little of an issue this might have been since it would have been easy to repair.
But naturally it's glued, sandwiched, pressed closed so your phone can be thin, elegant- and shoved into a thick plastic case to protect it anyway.
I dont want my phones looking like a fucking brick, do I?
8:00 - next update for the OS: crash log is encrypted, the key can only be generated using an Apple employee badge number on a piece of unavailable proprietary software... goal of people like Jesse Cruz not making money from this - checked :D
Don't say this shit out loud. You think this is a meme. You think this is funny. But if the sleep sensor that requires calibration in order to work when you replace it is any indication, somebody there might actually think like this.
Don't give them ideas mate!
@@rossmanngroup
We are like a decade away from Apple remotely shorting the iPhone battery if it detects being opened, trying to assassinate the technician.
@@Alias_Anybodya decade? That's an optimistic outlook.
@@rossmanngroup I don't think this is a meme... I am sure it is, and also it's extremely true. However, this is exactly like the unwritten p0rn rule: "if you thought about it, there's p0rn about it". Somebody already thought of this. It is not needed at the moment, as it's cheaper not to do anything and have profit than to invest in developing new tools and have slightly (if any) more profit.
I know first hand how engineering decisions are taken, implemented of forced upon (good and rare) engineers. I also now what types of engineers accept those decisions and how good engineering is crippled or mutilated in the name of cost reduction and profit.
I have seen potted electronics in the name of water-tightness where it wasn't necessary. I have seen removal of testpoints that help debugging issues in the name of extremely slim cost cutting. I have even seen removing repairability and redundancy in the name of profit. I have seen it on my designs that were used and mutilated without my consent or even without letting me know in products made by companies I refused to work with on grounds of morality (e.g. Volkswagen and VAG group).
All the dumb and anti-consumer and anti-repair things have been thought of. They're not implemented yet because the cost-return ratio is not favorable and where it is, the backlash might make it not be in the end.
Here are some things I heard about my designs and proposals:
- "do we need so many capacitors?"
- "who cares about repair? gaskets are more expensive than potting and this needs to be watertight"
- "why did you chose the design that the analysis says will work correctly for 15 years? the requirement is 10 and the warranty is 5."
and more.
as someone who works in semiconductors on the consumer side... The schedules are so aggressive there is no engineering time to fix things like this. It's always "we'll fix this on the next project" and it never happens because that project also has an aggressive schedule.
Where do u work player
I’m also in semiconductors
Apple has enough money to fix that issues. No excuse.
* Iphone stops working *
Apple: "It's impossible to fix that. You have to pay $500 and turn your iPhone in so you can get a new one"
Independent repair shop: * does a perfect job of fixing it and only costs $50 *
@@akirasinoy-is2wrapple has the strongest brand loyalty on the history of the planet. Apple users will only buy apple products for the rest of their lives.
@@akirasinoy-is2wr Thats their repair people, NOT apple itself.
Are people this dumb? Fucking grade 1 stuff
Reminds me of when I went to the local Apple Store to see if I could get a new battery for my iPod (the unit is sealed to keep owners from changing the battery 😑). The clerk was amazed I still had one, and even more amazed that it still worked. They wanted to take my iPod while I picked out a new iPhone, and I'm like "I already have a phone, I just want a new battery for my iPod." They were very insistent that the iPod was out of warranty and seemed to imply that somehow invalidated my ownership of it. So I just left, and haven't gone back since. That was 4 or 5 years ago now -- the iPod still works, tho the battery is quite dead -- but I can plug it into a USB port and it works just fine. Guess I'll just do that till it stops working altogether -- tho after 20+ years of reliability, I don't think that'll happen before MY warranty expires haha! 👻
You can get replacement batteries for those old iPods online, and there are plenty of tutorials on how to replace the battery.
Or just send it in to rossman repair group
Even the official store where you're dictated to only getting it fixed by them refusing to maintain the product usability is beyond me.. how ironic that porche would gladly fixed your tractor from ww2 and it's proven by a farmer.. a prestigious sports car manufacturers still remember and respect their roots
@@tf_dI’m bout to say there’s other ways around a Apple Store this comment really makes it seem like people are not using half their brain.
im currently in the process of doing a major repair on my car's engine. i could not imagine trying to do this repair on a modern car. but when the wait time is 2 weeks for a shop diy is the best option. also im learning.
Interesting to come across this, I was just thinking this the other day. With waiting times being what they are, I should learn to do it myself. Starting looking up quality mechanics and it looks like I can do it without blowing up my car lol.
As another example, I've disconnected components in the process of repair on several different Motorola smartphones: I found I could disconnect speakers, microphones, cameras, digitizers, etc. and have it still boot normally, just without the function of the part. They even ship with a factory setting (selectable in recovery boot menu) to boot into a diagnostic mode that allows you to test all the phone functions individually.
Regarding the Check Engine light story, most cars provide ample warnings or means to contact or schedule work at a dealership through the interface. The critical difference is, you have multiple choices of shops and parts sources, including the ability to do it yourself because you can buy the tools.
How else will they listen to your conversations if the microphone doesn't work?
I have been a long time follower and started writing firmware for some BMS products. Your videos have been so influential to me and I take into account all the issues you mention to make devices more repairable. Can't thank you enough for pointing these out.
There used to be a thing where engineers had to stamp their work with their license - and if the sucked at their job they'd be run out of the industry (or put in prision, based on the severity of their incompetence).
Having worked at Nvidia, Apple, and now Microsoft (I'm not speaking on any of their behalf) - the "repairs are best done in a factory setting" is best countered with the question: "How do you do your enigneering rework to validate your designs and running changes". Hint, it's at an in-house lab staffed by at best a technician with nothing more than a hot-air or hot-bar rework station and the same 10x-30x AMSCOPE stereo microsope you can get from Amazon... Often times they don't even have access to the schematic, it's a clip of a circuit diagram and some hand writen notes just to keep the instructions simple. That's the reality of tech. The "factory setting" is a person who knows more than nothing about how to solder, wearing and ESD smock at an ESD-safe workstation - that's it (it could be argued that also with consolidated access to the necessary parts - but that's IMHO a separate issue). And it's not hard to replicate basically anywhere.
Sometimes you'll get an engineer who is competent enough to run the rework themselves, but THAT IS A VERY RARE EXCEPTION. Ask about that too... "What percentage of your rework is done by your engineers and what percentage is done by contractors/part-time-technicians?"
And also: "What is the hourly wage of that factory worker during a repair?" You'll probably find they are saying that for fiscal reasons - not kidding, it can be cheaper to collect them all and ship them to the factory in China or Vietnam have a fleet of low-income technicians do the rework, then ship them all back the US.
rework? Or repair? What do you mean.
@@platinumsun4632 Generally the term rework means any time a device/PCB is touched/altered from its "manufactured" state. This can be blue-wire modifications or repairs of existing traces (fix a damaged trace or install one a PCB designer "forgot"), replacement of damaged/non-functional parts for failure analysis, replacing a factory component with an alternate component for engineering studies, and on and on. It's a catch-all term.
I've set PCBs on fire (not my fault, most of the time) and they (in-house technicians) have "reworked" a board to save a GPU/CPU tossing the whole PCB and replacing it with a new one and transferring the more expensive components. When expensive major components come back from a fab pilot build, they can be $100K/chip because it came from a 1 to 5-off wafer spin.
@@Real_Tim_S When expensive major components come back from a fab pilot build, they can be $100K/chip because it came from a 1 to 5-off wafer spin.
Elaborate. I am humble PC salesman, but i've never gotten my hands dirty with a mobo and solder.
@@platinumsun4632 The mass production price for an uncut wafer of chips right out the foundry can range from ~$1K to well over $15K. But that's when they dedicate the foundry line to a specific chip design - and satisfy minimum order quantities! If you do a short-run and vary process for tuning you're not making 10+ million chips and tens of thousands of wafers. They have to take a line down (typically at the end of another chip's runs), load in the metal-layer files and then run those. More metal layers requires more fab-time and increases costs (and with process variation this time increase can be geometric), so the more complicated parts cost a lot more.
Take a look at chip fabrication proceses for more detail from other sources, but in summary - you start with a bare hyper-flat silicon disc (wafer), put some masking on it, etch it, grow or deposit some metal crystal on the exposed/un-mkased metal, strip off the masking, and then rinse and repeat until you've grown the whole chip.
You need to tune the fabrication process to get the correct thicknesses of each step, and align the machine to get even process performance across the whole chip and wafer, otherwise you'd get one side where chips work and another side where they don't in some fashion or another. Even the thickness of metal layers plays a part in the performance of chips - you might have gates with too high a band gap needing a higher voltage to function or gates with too thinn a dielectric leading to higher leakage (current flow not doing anything productive, bascially just generates heat, but too high and it can unbalace a logic element and start flipping bits). If the foundry makes a mistake you might have metal grown in places you don't expect and you could have a wafer-full of chips that just make lots of heat in a short amount of time. The foundry will try to bring the process into specification to match the design tools, but they will typically provide "corners" (Fast, Slow, High-Voltage, Low-Voltage) so the designer can validate the engineering margins of their design (adding in high and low temperature to their testing for a cube of perfomance with 3 axis: Process, Voltage, and Temperature... aka "PVT"). This is a "knob" the designer can turn a bit to get the best yield at retail in its actual use.
This short run of fabrication, with lots of manual intervention to tune the process at the foundry has an increased cost. Think of it like the difference between buying a Toyota Corrola in a factory with robots or hand-building one in a garage with hand tools. The time and effort and diversion of those foundry requires, results in increased price per wafer as it relates to the foundry's operating costs. Instead of $10-15K like a producion run, it can be $1-5M+ per wafer. And then that's just a wafer of a bunch of chips (the exception I'll note is the Cerebras wafer-scale "chip") - they still need to be tested, diced (split), and packaged, again all at manual/bespoke pricing. From there you might not (rarely will) even get 100% viability out of all the chips on that original wafer - some fail in test (the test systems cost a bunch to set up too - search for wafer probing), some fail after dicing (splitting), some fail after packaging (mounting to a chip base which will eventually get soldered to a PCB). The manufacturing cost of that wafer then gets split over the number of total viable chips (the "yeild"). For bigger chip designs this can be a very small number to start with... For a $5-million wafer with 100x viable chips of yield you'd hit $50k/chip - toss in issues with yield and being the first customer at a processs node and it goes up from there.
The funny thing is, durability is one of THE most important features of a phone, and yet it seems to be a profoundly low priority for Apple. But, it's obviously not just the durability that's an issue, it's the repairability, and just firmware and software features which make no sense and make what should be a minor issue much, much worse.
I mean you say that, but my macs and iPhones have lasted WAY longer than androids or windows PC in terms of performance and hardware durability. And a ton of people seem to share the same experience I had, hence why they sell as well as they eo
Thank you for everything you do, Louis.
My one and only major motherboard dining table job was rescuing my PS3. The WiFi chip is prone to voltage spike, which shorts it and the PS3 stops turning on. You can remove the chip and the PS3 will work fine..but you can never connect it to the internet again, even via cable, because forced PSN patches brick the system if the patch cannot detect the WiFi chip.
If it's CFW capable you can install a variant that doesn't try to flash the firmware on there and works fine.
But yeah this is hell for PS3s that can't do CFW. I have one super slim with a dead wifi board.
Maybe this is why my GF's iPhone 8+ rebooted every 10 minutes.
Same happened to me. I bought an IPhone 11 and it doesn’t pair with my car!!!
@@KALMA26your car knows better. It chooses not to pair 😂
8 plus random restarts are usually battery related
Checking the panic log would be the best way to help find the fault
You do great work Sir, all the info you provide is invaluable.
Automatic reboots on the first couple detections of the error makes sense - especially if it's a camera or a radio or something - a reboot will likely bring it online. Continuous reboots without notice, though, is indeed dumb.
Still have my iPhone4 here... 12 years old, 13 next October. Same battery, everything works; Feels good to have a product that was built before of cancerous planned obsolescence began dominating the market. I hope everyone will have that same feeling, one day.
Sorry but I’m calling 🧢
iPhone 4 is mostly unusable today aside from core functionality of regular phone.
Most apps don’t work anymore on iOS 7
@@christiannorwik Here's how I use a mobile phone. It stays in my pocket until someone call/text me, or I need to call/text someone.
If there's a large amount of numbers I need to add up, while I out, say, at the hardware store, I take out my phone and open up the calculator app. to aid me.
If I need to remember a list of things for later, I take out my phone and open up the note app. to write these down.
You are correct. I used the essential, core functionality of a mobile, I *DO NOT* go around with my face buried in my screen at all time, cooing at some new shiny app. because my addicted brain keeps yelling at me that everyday mundane things like crossing a sidewalk is too boring and I should rather look at the pretty colored square in my hand and not pay attention to traffic. 🙄
@@DanielRenardAnimation thanks for your point of view.
I’m not “power user” myself but I like convenience of a smartphone.
For example although I’m still carrying cash I prefer using Apple Pay. Unfortunately my banking app requires iOS 15.
Second thing I also hate planed obsolescence why app like Facebook Messenger or TH-cam needs update or else it will not work anymore?
iPhone 4 is neat little device screen is still gorgeous but lightning connector was game changer for me when I first got my iPhone 5s
I recently changed battery in my old iPhone 4 no notifications about non genuine part was refreshing but reality hit me hard when it comes to stress testing new battery.
Long story short only Safari still can run TH-cam. You want to use Chrome or dedicated app bad luck because it doesn’t work anymore.
At this moment I’m using iPhone SE2 running iOS 17.
Great little device with all modern features I care about.
But not gonna lie I’m also interested what Apple will show next.
USB C would be neat and this whole DIY repair program is tempting.
Small edit: when I work on my “projects” I usually take photos over list.
Second thing decent camera is great when you need to see something in tight space.
Or simply on spot read what means fault code I’m just got via OBD2 reader.
Cheers and have a nice day
@@christiannorwik Just a side note. You can still make emergency 911 calls on older iPhones. 911 doesn't require an active phone plan. Same with Android devices.
@@nebylicza Yep. I had bought an extra at one point, because it felt like it was holding a charge less than it used to, so I figured it was dying. Turned out it was just a resource-hogging app running in the background, so one day when I accidentally let it run out of battery, everything shut down, so whatever app. was running, had now stopped and the phone now goes 1½~2 weeks on a single full charge. (on a 12+ year old battery)
100% right there! Thanks for the invaluable input!
You're the only man whose keeping me sane.
I've got the same issues in the bicycle repair business .❤
My avoidance of Apple products started back in the day when colleagues with an iPhone would be seen walking round the office zombie like looking for people with the same kind of charger as their model iPhone. Meanwhile most other phone users simply got out the USB charger cable which was common to most of the non Apple phones.
Now that they are forced to use a standard cable we see that Apple are still up to their tricks and making it necessary to use an Apple approved cable, so you can't seem to teach that specific old dog new tricks and so I don't want to buy their products.
Wait, are you talking about them finally adopting USB-C? It has to be THEIR usb-c? Am I tripping? Thank god I switched back to Android this year.
I don't think it's a joke. I think it's built that way intentionally so it fails faster = you can't fix it = you have to buy a new model next year :) God, I hate this company.
Otherwise, where will the capitalists get the money to travel, buy private jets, and buy yachts?
As a software developer I want to say that it is totally possible for this to have been an oversight by the programmers.
Usually we tend to use a special function named assert, e.g. assert(mic0 != null)
if mic0 is null (0 in german), then that assert will cause an exception/error, and depending on the language it usually causes it to panic.
If the kernel panics, then the entire system is unusable, so it reboots
usually when we deal with hardware, we tend to assert that everything is operating the way we want to, otherwise bugs may appear
you may ask "But can't they just fix it?" and the answer is yes, they totally can, and since they call themselves "engineers" then they must be able to fix this, otherwise they are phonies.
What phone would you recommend? They are all like this now.
@@iankelly3081 Get a pixel or stick with your iphone
Have you ever built a phone and developed the OS by hand and have done other behind the work stuff like designing the ACTUAL phone and the chemistry to make their phones efficient? No.
Have they? Yes.
This is fucking propaganda
Thank you fro fighting the good fight! It's always hard to do this and I appreciate the effort you have put into this! THANK YOU!
I had my phone randomly restart last year, but it wasn’t every 5 minutes, but rather a couple of times during a night of playing a cpu/gpu intensive game WHILE charging.
There was not a very specific description to be found online for the last shutdown reason, but what I found was either some sensor fault in connection with the charging port, or that there was poor soldering on the cpu. One thing I did notice was that charging was hard to achieve, and when you did achieve charging, it stopped after a few minutes.
I ended up sticking a thin and sharp needle into the charging port removing more lint than I could see with my bare eye.
After that, I haven’t had a single reboot.
Seems like an unstable connection in the charging port can trigger these watchdog timer resets without being any other faults too…
What I find really frustrating is how with every year that passes, software and hardware show less and less and less information about what went wrong. I don't think an end-user ever needs to see a stack trace, but I feel like once you abstract every single error away from the user to the point you just see "Oops :(", devices and software become mysterious magic that you can't decode with a reasonable brain. When something crashes, it's now always a "randomly crashes" instead of seeing an error popup that gives some form of memory access error or null reference. At least you can decipher the basic idea of what's going wrong, or, in the case of the microphone not connected, it could easily just say.... Front microphone not found
There is nothing more frustrating in development than an error with no error log, why is it the same for the end user? They have to sit there wondering what dark magic is preventing their device/software from working.
i’m happy you exist sir. we need folks like you in the world.
Fantastic work
I’ve got a cheap iPhone 11 Pro Max from marketplace because of this. The phone got hot and rebooted every 5 minutes. Also it took quite a long time to boot. Replaced the flex and it worked like new. Your video just showed up while testing the fixed phone lol.
That's the other weird thing about iPhones.... Basically every part of them causes it to run really hot when damaged. Busted touch digitiser... Gets hot. Busted microphone... Gets hot. Busted charge port... Gets hot.
It's like they over engineere the power lines so they can't burn, but don't include fuses or protection against shorting. Either that or the software goes 100% CPU and just heats up that way.
@@tin2001 Apple user here - Bad engineering on their part.
Perhaps the requirement for a hardwired microphone is a NSA mandate 🤔
Agreed
There are other microphones on the phone too.
A great channel, thanks
Let’s all just make 2024 a “nothing from Apple” year, and maybe we can cause the company to reboot, finally offering us a good customer experience.
People _l o v e_ to succ apple off so yeah it wont work because *SOMEHOW* even a 0 profit year would cause apple to gain f∞cking 🅱️ILLION$
That's been my life. The first time I started to compare appel and android I quickly came to the conclusion there is no good reason to prefer apple (talking phones here).
Lol - I wouldn't put it past them not to try and sell an iNothing... And someone would probably still buy it!
@@Brambazai as someone who works in IT, its always annoying when a customer wants something on their apple device thats easily done on windows or linux but is literally impossible on apple devices. always feel like iphones are best for old people who have no idea what theyre doing anyways.
@@Nepheosand even than use a closed down (not sudo User,...) Debian based Linux can work.
my iphone 8 started booting off and on around 2 months ago, i ended up assuming it was the battery (i had degraded since i had the phone for some 2 - 4 years) and got it swapped for an iphone 13
after seeing this video im now having doubts over if it was the battery
it IS the battery, especially if it has been water-damaged. It could also just be shit luck in general
1:07 You yourself don't necessarily need the phone to have a working microphone, but Apple/government/authorities do need you to have it. Once you understand this, then you will understand why Apple's design decision is completely sane.
It’s ok. This guy has no idea what he’s on about… he just does this for views.
@@KJB1996you don't either as there are other microphones on the device that don't have issues like this one, this one microphone is only used for video recording
thanks Louis!
Thanks for the open source repair wiki, Louis. Now I know where to check if any of my friends' iPhones or my Macbook breaks down.
As a software engineer, this sounds like a temporary workaround. Feels more like, oh, we have a deadline ahead, but we have this device problem. Let's reboot until somehow it might work 😅
hollup, hollup… are you suggesting… that this ISNT Apple trying to spy on everyone? that just can’t be true.
But Louis the Microphone is Essential, without the Microphone Apple can't spy on on that's why the iPhone Randomly reboots
Boye you are the best! Thank you Boye Foundation!
Amen to your point about working on junk. The amount of soldering skills I've learned by tearing old, useless stuff apart and experimenting has helped me save so much stuff I actually care about.
It's worse, if you knew the problem, this would give you leverage on the Apple staff to force only that repair not the insane deal to upgrade at cost or take an inferior product. Shame on Apple and it's greed, so much for eco friendly!
Apple is green not eco friendly
@@the_expidition427their neither. They're an environment nightmare.
@@magfal That's wrong. Apple makes lots of money it is very green
When Apple says "recycling", they really mean "refurbishing".
@@compaqdeskpro5770 they don't even mean that unless it's something they can earn some extra cash on.
I'd be cool with the phone restarting once or twice to see if it's a detection issue followed by a notification, but this seems like an extreme behavior aimed at forcing users to buy new products. I'd love to see their process in approving "solution" to microphone issues.
THIS IS SO CORRECT! My wife’s iPhone 7 had an Audio IC issue (which was very known) and the warranty had expired 3 months prior. Apple wanted her to swap to a new device and pay $800. I said hell no and found an online motherboard repair center and they did the repair for $100. It worked until she upgraded 3 years later.
This restarting issue seems like a direct counter to I phone users that took Edward snowdens advice about making your device unable to be video/audio spied on , where he opens the phone and desolders the mics and cameras then only uses a headset when he wants to make a call . Just saying sounds very specific no mic detected iphone brick mode activate
Imagine if a pace maker was designed this way.
What I have learned is that Apple continues to be hostile to its customers-the people it calls consumers who are expected to throw away their defective products and buy new ones. An out of warranty replacement option always comes with the option to upgrade to a newer device for a little more. Always. And that's the grift. Walk away if you're tired of it, or don't if you don't mind being treated that way, it's your call. I can't say Google will treat you differently. Samsung sure as hell won't. And you won't even have the "easy" out of warranty repair or comparatively small upcharge upgrade option probably with other companies. But at least with a Google Pixel, for now, you have the option of installing an OS that doesn't spy on you constantly. For now. No idea how much longer.
What operating system? I have a pixel and I'd love to have more privacy. Or are you just talking about Android?
@@rickthebasgraphene os
This sounds like a similar issue I've run into with my Iphone 12 except with the battery. Something about it not being able to identify the battery, restarting at irregular intervals. I can't see the charge on the battery anymore but it is still functioning. The real problem is the constant restarting and the abnormal heat that comes with it.
I bought a used XS Max for cheap because the microphone didn’t work according to the previous owner. I haven’t had any issues with random reboots after 2 months of use. Although I’ve been able to talk with the microphone so I’m not even sure if it was really not working. He claimed it stopped working sometimes but I mostly text or watch TH-cam so I haven’t used it much to talk.
I’m still frustrated my 2014 MacBook Pro (which I absolutely enjoyed using and I used throughout my CS degree) started having a kernel panic issue. There was nothing wrong with it otherwise other than it being “old”
We used to get Macs in that were "slow". Almost always, they'd be 100% CPU, and it was something to do with the kernel. Fix was always to simply delete the machine specific patch files they include.
Might be something similar.
@@tin2001 hmm interesting. I’d be willing to do something like that but the system will shut down after a few minutes on. In fact if I keep trying to turn it back on the amount of time the system stays on goes down
I can give an educated guess that because this scenario was never tested for, the software was written in such a way that they forgot to do any checks. Forgetting to account for "null"s like this is easy, but you'd think they would also write it in such a way that it would catch the error better.
But then not fixing the software after this simple bug was made obvious I also see as willful incompetence. There's no way someone at Apple wasn't made aware of this issue a while ago...
To me it looks more like they assert that every component of the iPhone is connected and in working condition.
E.g. assert(mic0 !== null, "mic0 is not connected");
As i listened my first thought was "I bet this stems from it's designer or programmer blindly following the step-one Tech Support fix of "Did you turn it off and back on" when ANY issue pops up. They just figure it's "better" to skip the step of giving their "idiot" user base a chance to choose to do the restart when presented an error notification.
This was 100% done on purpose. Have you seen one of these "bugs" acknowledged and fixed ever? Do you know that software engineers in apell are one of the better ones? Why would there be a log message if they just forgot to account for the situation entirely? Why **the core functionality** of the phone depends on a microphone, are they spying constantly? Why haven't product testers caught this easy to trigger, reproducible and seriously damaging user experience crap before production?
And most importantly, why only apell hardware designers always jump in a pit of piss known as planned obsolescence? Every single product has a flaw that is able to kill it.
I remember when I replaced my front screen assembly on my Oneplus 3T and forgot to reinstall the ear speaker and the phone did this.
Oh wait no it didn't, I just switched outputs for a couple of days until I found time to reinstall it.
Imagine being as intelligent as Louis and thinking all these design choices aren't deliberate... Seriously there's no way you are that intelligent and oblivious simultaneously.
Apple pays more for its lawyers than for its QA. Need I say more?
I know my mic works because my kids use it to search for videos and stuff but other than that I wouldn't know if my mic failed since I always have a Bluetooth headphone in. I like to listen to stuff while I work. such as this video right now.
normally I would attribute incompetence but its apple so I assume greed and malice.
The Iphone can't wiretap you if the microphone doesn't work, that's the most important part of the phone.
It has more than one mic, though.
Do you have any fucking idea on what they do behind the scenes and how they, y'know, actually design the fucking phone? No ya dont.
Check the TOS. They dont sell or collect any data unless mentioned, which is from USING siri, and this even if you turn on "Data collection for Siri" option
if they did do this, then they'd be out of business a long time ago
My SE2020 started kernel panicking when I updated to iOS 16.3.1 from 15.7.1 in March. So I did a fresh install, however it didn't fix it so I performed a DFU restore. It was fine till June, then it started kernel panicking after I updated to 16.5.
Around 20 days back I took it to the Apple store and they ran some diagnostics and said the hardware was fine, and they proceeded to do a DFU restore. It worked fine till around 10th July, then it started doing this AGAIN.
That's most likely a board issue on the SE 2020.
There's traces within the logic board that disconnect the mic1. I have some videos of that on my channel as well 😅
Dropped my iPhone 7 and got this, found your guides and it matched all the symptoms.
Louis: "All the King's horses and all the King's men couldn't put the iPhone together again"
Me: * on the floor in agony from an acute laughing fit that would make even the Joker blush *
This should be on a T-shirt
My decade old android with a cracked half working screen (touch only works on half the screen), swollen battery, with a loudspeaker that doesn't work due to me dropping it in water still makes calls, runs TH-cam and can even type comments as long as auto rotate works (to type in the part where touch works). Installed an app that offers back, home and recent buttons to use in the area where touch works. Now that's a robustly build phone with good software.
As someone that worked on third-party Android AOSP code, I screwed up writing system code. Some code in the system code would happen on startup, which would cause the OS to crash and restart. The crazy thing is that it wasn't handled in the OS. The OS would just crash in the part of the code I added. Of course I fixed it later, but what a doozy to debug. I don't expect a lot of shops to figure that out
iOS might be different, maybe not.
Interesting at 9 minutes you mentioned a car thing, I was just thinking about the failure in the Nissan Sentra and what happens with the master control switch if a slight amount of water touches it. And then also expressing where the wipers direct the water, when not in transit.
Has he confirmed that the random reboots are due to the poor connection, or those metal plates shorting lines together? (i.e. take a working phone, disconnect the mic connector, see if it randomly reboots)
Random screams short to me. Software issues aren't typically random, even if they might sometimes seem so. If something was done on purpose, ie. reset when X is missing, then that would surely not be random.
Yes. You can check the panic logs in settings and it will often show the issue ("missing mic2" was the example he used) sometimes though it's unknown what the issue is which is why debugging can be hell
Yes. That's exactly how I was able to decode so many of these panic logs.
Unplug one flex at a time until it restarts
Then check panic logs
Then plug back in to confirm it's not restarting anymore 😅
@@VCCBoardRepairs Are there any other nonessential peripherals where the OS will randomly kernel panic when they aren't connected?
I was ranting about my new iPhone just yesterday - how many years has the iPhone been out now and it's STILL a nightmare trying to transfer photos to PC! If I try to drag a photo to a folder, it actually moves a tiny 120x160 image out?! WTF?! How do they not fix this?!
Tim cook says, "use the cloud, sheep"
So that you feel more of a need to buy a Mac that has integration with iPhone apps and services. If they give basic functionality back then you won’t buy their overpriced stuff
@@TheGuruStud Heh yeah. Why use a USB cable when you can pay Apple a monthly fee and upload data to the internet and then download it again - it's sooo much more efficient 🤣
@@reinsmano bingo. Well, if you're not technically literate :)
Yep this sort of thing happened to me on my second gen SE. A kernel panic every 3 minutes for an unreadable sensor rather than a safe mode is absolutely terrible embedded programming practice. If I did this sort of thing at work I’d be forced to change it and or be fired.
Another great and useful video, thanx for that.
However I gotta say I've never encountered nor heard of any issues such as described here with any of my 3 iPhones over the last 12+ years, starting with the 4s that i kept until the 7 came out and it's then I opted for the 6s and I now got the 13 Pro. Reason I switched each time was : battery dying ( lasting only 5 hours max ) after 6 years+ for each model.
Hope I stay lucky but at least now I'll know what to do if this happens to me.
You're missing the big picture here Louis. The only reason Apple even lets you own an iPhone instead of renting it is because they have an always-on microphone following you 24/7 and can datamine your audio recordings.
They don’t want you using the phone if they can’t hear you.
Nah. You're just being paranoid.
@@JPS13Laptop Borderline but how can one trust such a company?
@@goku445 I mean, you don't have to just take a company by their word anyway, nor should you. We have independent security researchers for a reason.
@@goku445 You can't really trust any company. Apple is not different to other major corporations.
Tjey do it intentionally always a reason for everything they do.
Thanks Louis
I recently ran into this issue on my trusty old Galaxy S9+. Any time I used the fingerprint sensor, my phone would crash and restart. The nice thing is I was able to just disable the fingerprint sensor in the software and rely on other unlock options, and my phone works fine now.
One of the many, many reasons I'll never buy Apple products.
Appreciate your content! Peace
There is literally 0 reason to implement it like this, to assume the devs didn't get an assignment that explicitly told them to implement it like this is utterly naive
Is not naive. Is done on purpose. So you are forced to buy a new grossly overprice phone as soon as possible.
I can almost see the thought process behind Apple's decision here, and it's one of the most frustrating things about Apple and its choices that have had a deleterious ripple effect throughout technology: the assumption the user is a complete idiot and cannot be trusted to make decisions, diagnose problems or even be expected to understand basic concepts (see libraries intentionally obfuscating because those cute little simpletons could never understand a filesystem!).
I'm not defending Apple, most people can't even read the error messsage when it's displayed right in front of them. Yes, most people are idiots who can't even do basic problem solving.
i had this exact problem on an iphone x. wasn't every day but man was it frustrating
Of course it reboots, because without the microphone, the primary function (spying by listening on background) of the device is affected. ;)
As a programmer, I would think it would be a relatively safe assumption that a cable isn't going to get torn from the "safety" of being sealed inside the device. I also wouldn't expect a microphone being the most likely component of the phone to break or break in a way that would make it undetected. I would more blame the hardware engineers on this problem than the software engineers.
Yeah, it would make complete sense for them to use assert(mic0 != null) or stuff like that.
It is not necessarily an intentional flaw.
Engineers are not inherently smart. They are just really good at regurgitating someone elses knowledge.
That can be said about most people in a profession
I would argue the engineers are fine folks, it's their managers that force these awful designs. Bad managers and raptorial executives are what's ruining the world. The same applies to politicians. Engineers, like everyone else, need to eat and keep a roof over their heads and there are bad leaders all over the world in just about every organization. "Make this terrible design work or we'll find someone who will!" is a common mantra for such parasites.
I can understand any modern phone rebooting to try and fix a non functioning microphone, it is a basic function of any phone since phones were invented. However it is the sort of hardware function that should be bulletproof in all telephones, especially given the extortionate prices cell phones command.
It can be the proximity sensor charging port and the volume/power button see them all the time in our shop!!
Its also not random 2 mins 3 minutes a few seconds times matter!
I still switched to an iPhone after being a lifelong Android supporter and user, because every Android manufacturer tries to be Apple (looking at you Samsung), the software slowly being closed inside of a walled garden (looking at you Google), the amount of bugs, features being only available on a manufacturer's phone (again, Google and Samsung) - and it pissed me off enough to switch to an iPhone. If Android continues to kill themselves, then I don't see a future for Android anymore. (also look at Google trying to kill sideloading and rooting - NewPipe and TH-cam Vanced being a example)
Cool story
Yeah I can't defend Samsung or Google there at all.
You can still root some Android phones and download your own OS. But if you don't wanna do that, then I understand.
@@friendofp.24 there's plenty of android phones using close to vanilla. He's a crybaby moron and will suffer the consequences of being an apple baaa baaaa.
@@friendofp.24yeah and then ur banking apps dont work at all and you need to reflash every major update
Reminds me of Windows in general. If you had a USB peripheral that had poor drivers or wasn't functioning properly in some way, it would blue screen.
OMG this exact same issue happened to my Wife's iPhone 11(Regular) twice last year, yes she dropped it many times. Those Apple Premium resellers said better buy a new iPhone for 2000$ in India sigh. I took it to a geeky iPhone repair guy at Richie Street(Chennai, India) and explained him about this issue with many people from Reddit saying its flex cable. I asked him to swap the dock flex(lightning, speaker, mic), camera flex(camera, camera noise cancel mic, flash) and power flex. Found out it was the dock flex cable.
there's also a list of iPhone models i've noticed in my local repairshops that if the speaker used to listen to calls is damaged or unplugged, they start boot looping or they stay stuck in the Apple logo
My iPhone 14 Pro does this once almost every day! And has been doing so for the entire year I’ve had it. At least the audio still works when it reboots but the screen goes dark with a loading symbol and all app states seem to be loose.
I find this issue is common with faulty charge port flexes too. Phone is often still chargeable too. But constantly restarts every 3-5 minutes with no signs of issues. Replacing the flex solves this. Or when the device bootloops due to a faulty speaker flex.
Thanks!
THIS HAPPENED WITH MY SCREEN ! I dropped my iPhone 12. It worked for a few seconds then turned off and never turned on fully again. Apple told me it was the motherboard after they tried to replace the charging port. They told me I can either buy a replacement phone with a 2 month warranty, or buy a new one with the full warranty.
Best thing is they are the ones who replaced my screen assembly and poorly routed the flex cable, how surprising …