The rear camera of iPhone 7 plus doesn't work. This fault is caused by the poor control of the temperature when repairing WiFi and the faulty welding of small parts of sealing glue. It is repaired again and repaired perfectly.
OPPO Reno5 mobile phone Won't Turn On, after measurement, determines that the power chip has no output, and repairs the fault after replacing the power chip.
iPhone 7 mobile phone has no sound. After testing, it is found that AUDIO CODEC IC chip pad break off is the cause, and Jump wire is repaired after repairing the point.
Huawei P30 Pro mobile phone Won't Turn On, after testing, was found to be caused by CPU aging, which could not be repaired.
iPhone 7' s mobile phone was continuously restarted after falling. After testing, it was found that Inductor Inveracious Soldering was the cause, and the fault was repaired after replacement.
iPhone7 short-circuit current Won't Turn On, smoked Colophony (Solder), found that it was Capacitor that caused the troubleshooting after deduction, and the screen was not bright during the installation test, and the test display was normal after changing the test screen.
Huawei Honor 9X Pro can't be charged. Referring to Xinzhizao Soft drawing, it is found that USB can't be detected after being plugged in, which leads to the inability to charge, the 1K resistor is added and the fault is repaired.
The speaker of iPhone 12 Pro Max mobile phone has noise. After replacing the audio power amplifier chip, the fault is repaired.
iPhone 8 garbage plate bottom mobile phone has been no serviecs, after replacing RF, the fault is repaired.
