iPhone XS Max mobile phone screen does not display intermittently, scratch off PCB board, and re connect PMU_TO_DISPLAY_RESET_CONN_Repair the faulty wire.
iPhone 7 Update System reported an error of 4013. After detection, it was found that it was caused by the power supply S5 Baseband Short circuit. A 2.2k resistance was connected from 1.8V Baseband of RAM to S5 Baseband, and Update System passed smoothly.
Huawei mate 20 Promobile phonehigh temperature,battery die more quickly, camera MOSFET,short-circuit current,high temperature, replace and solve the problem.
The iPhone 12 Pro Max phone does not display when it is turned on. After replacing the fault Capacitor, the boot display is normal and the fault is eliminated.
