6 steps to fix iPhone 6S Plus half black screen
- cnfixphone
- Nov 2, 2017
- 1 min read
Today, Vip Pro Shop Team will tell you how to use 6 steps to fix iPhone 6S Plus half of screen is black. The faulty details is the half of iPhone screen is black, and the other half is bright. When we lock the screen, it can't be light again. Let's start fix iPhone.

1. Disassemble the iPhone 6S Plus device, we found all the D4050、D4051、U4050 of the iPhone backlight chips were removed, D4051 pad tin point dropped, it has been welded with jumper wires, but it was not fixed in a proper way. 2. Clean the part of pad on iPhone 6s Plus motherboard, solder the jumper wire on it, and also weld the iPhone backlight diode and backlight chip. 3. Connect and test the iPhone screen, we found that half black screen problem still exist. 4. It looks like there's another problem, disassemble the iPhone 6s Plus motherboard. 5. Observe under the microscope, we found L4050 inductance surface cracks, according to experience, we judge is there the internal coil problem? if energy cannot saved, it will cause the backlight boost circuit not able to be boosted. 6. Replace a iPhone 6S Plus internal coil directly, the backlight finally becomes normal. Finally, the iPhone screen back to normal, you can use it again.
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