Installing CyanogenMod 12.1 Lollipop 5.1 ROM on LG G2 D800 AT&T (CM12.1)

This is full video of installing CM12.1 ROM on LG G2 D800 AT&T from start to end.
This is simple installation from another Lollipop based ROM (called CloudyG2) to CM12.1 as per the instructions provided on the cyanogenmod's website.
I AM NOT RESPONSIBLE FOR ANY HARM DONE TO YOU OR YOUR MOBILE IN ANY WAY nor will I provide support in comments. I am a noob myself and I just followed the instructions.
Instructions Link: wiki.cyanogenmod.org/w/Instal...
Download ROM: download.cyanogenmod.org/?dev...
Download GApps (optional, but I recommend it): opengapps.org/?api=5.1&variant...
Video contains no Audio, Turn on Captions.
See this cool new app called "Simple Color Wallpaper":
play.google.com/store/apps/de...

[@madnesbojo]

what the nice case?

[@appsbyusman3880]

leather :)

[@bryanpauldelacruz7406]

Bug?

[@thelifeofaboi2693]

I am currently on Android versio 4.4.2 on my lgg2 d800 att unlocked phone , is this tutorial for updating it?

[@appsbyusman3880]

+The Life Of Aboi We are not officially updating the device, we are flashing/installing a whole new ROM which is not provided by LG. Flashing this ROM will remove all the features/apps which came with the device and it will install the features which come with the Cyanogenmod ROMs. Your device will no longer contain the ROM of lg.