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iPhone 6 Plus screen flower screen repair
Machine model: iPhone 6 Plus
Symptoms: boot activation mode,Touch failure.
Customer description: The activation page is displayed on the screen, but there is no response. There is a problem with the motherboard, and the touch test has been changed.
Maintenance process:
The machine is turned on in the activation interface, and there is no response when sliding. Mobile phone Blurred screen. When disassembling the machine, it was found that Nand had been soldered, while the rest did not move. The touch problem of iPhone 6P was fixed a lot. Basically, there was something wrong with the M1 corner of BCM5976C1 chip. After the touch is repaired, it will be activated, and it will enter the system mobile phone Blurred screen. After restarting, the recovery progress bar will be displayed, and it will be stuck.
The problem of mobile phone Blurred screen is caused by Nand or CPU problem. This machine customer Nand may have soldered Inveracious Soldering or broken, just like Reballing failure directly.
It was changed to Nand Update System OK, so the iPhone6 Plus Nand caused the phone Blurred screen to be repaired.
Damaged Nand:
iPhone 6 Plus screen flower screen repair figure 1.
Test chart:
iPhone 6 Plus screen flower screen repair figure 2.
iPhone 6 Plus screen flower screen repair figure 3.
