The mobile 4G signal of iPhone 6 mobile phone is poor, the RFFE2_DATA signal of U_HBS_RF high frequency ANT xt14501 is disconnected, and the fault is repaired after Jump wire.
There is no sound in the XS Max speaker of iPhone, which is caused by replacing Accessories. Fix the fault after adding Capacitor.
iPhone 7 The water damage of the mobile phone cannot be turned on. After testing, it was found that the motherboard Short circuit was caused by the damage of the Inductor. After the replacement, the fault was repaired.
OPPO R17 Pro Bluetooth can't be turned on, the line is disconnected, and the fault repair of Jump wire for bone scraping.
The iPhone 6 plus cannot be charged, and the brush machine reports an error-1. Replace the baseband power supply and charging IC, and short circuit the 2-pin and 3-pin of q1701. The fault is perfectly repaired.
Huawei Changxiang 10 Plus screen does not display, the display chip u1901 is re installed on the motherboard, the mobile phone can display normally.
Huawei Honor 20 mobile phone can't get out,power amplifier VCC IC, take down the chip and fix it.
The fingerprint of iPhone 7 didn't respond. After detection, it was found that the fingerprint holder was disconnected. The fault was repaired after flying the line.
iPhone 6s the screen does not display , and the fault will be repaired after replacing the USB chip.