Akeem Alami

Good Day Engineers I have this iPhone 11 Pro Max with a display issue I have read the line and replaced a faulty MIPI line and it now gives the correct value but the screen is still not showing. I have also checked the voltage on 3v, 1.8, and 1volt lines all giving correct values but still not showing has anyone faced this problem

What is the possible solution

Good day everyone pls help me with this iPhone 6s Problem: It is showing the Apple logo, I.e can not boot I try flashing with 3utool but it stops at 18percent