Samsung Galaxy S20 Startup Bright Logo Repeated Restart. After maintenance, it was found that there was a problem with the display screen, so the new screen was replaced and the fault was repaired perfectly.
vivo S1 Pro can not be charged,PCB layer Short circuit, take a thick line Jump wire to charging connector BTB connector, and repair the fault.
After HUAWEI Mate 30 mobile phone Won't Turn On and Current heating test, it was found that coder and power amplifier chip were damaged. Replace coder chip and repair the fault.
iPhone X Screen Failure for repair, the mobile phone water damage passed, the motherboard PCB layer was pierced,Jump wire was coated with Solder Mask, replaced the charging IC, and the fault was repaired.
OPPO Reno6 has no 4G signal after entering water，but 2G signal. It is found that corrode and Jump wire borrowed power in two places, and the fault was repaired.
HONOR 30 can't open WiFi, can't activate mobile phone, remove WiFi,Jump wire repair.
iPhone 12 has no signal, the mobile phone is stuck when inputting the password, and the middle layer of the main board is not as good as welding, and the fault is repaired after welding is renewed.
HUAWEI nova 7 does not turn on for repair, the main VCC,Short circuit,The rosin smoke method, found the faulty coder chip, replaced the coder chip, and repaired the fault.
iPhone 11 Pro consumes fast power when in standby, mobile phone short-circuit current 20mA, replace a USB VCC accessory chip, troubleshooting.
