They failed to repair the iPhone Display IC problem because...【Tutorial】 Chestnut

They failed to repair the display IC problem. It's a chance to show them why they need my type of training.
Watch this all to understand how the technician to diagnose, reading the diagram, locate the problem, and fix it easily.
Never blindly to replace any IC.
Learn SOP for every circuit.
Note:
Watch with PC, the phone screen is too small and unable to see the diagram text.
Need training?
Offline Course - www.iphone-rep...
Online Course - www.iphone-rep...