iPhone XS Max did not make a call. It was found that it was caused by the main board pad break off. After the installation test, it was perfectly repaired.
iPhone mobile phone has no sound. This fault is caused by the damage of coder IC. Replace coder IC and return to normal.
Xiaomi 9mobileThere is no signal fault, which is caused by IF power amplifier, and the fault is repaired after Reballing.
After the heavy fall of iPhone x, the mobile phone can not be turned on. After detection, it is found that it is caused by the damage of the main power supply filter capacitor. Deduct and make up the missing point, and repair the fault.
Huawei P10 Plus mobile phone Won't Turn On is judged to be caused by the abnormal operation of CPU storage.
The iPhone 7 mobile phone can't open due to water, and the mainboard is seriously corroded. The customer needs information. After replacing the USB chip, the fault is repaired.
Huawei Nova 5Pro sim card no serviecs, after detection, was found to be caused by chip damage, which was repaired after replacement.
Redmi Note 8Pro mobile phone battery is not durable. After the NFC chip is removed, the motherboard is no longer short-circuit current. Replace the chip and repair the fault.
iPhone 12 Pro Max Camera can't be used, and the control chip U6500 of flash VCC is damaged, which is repaired after replacement.
