Xiaomi 8 can't adjust the volume. Pressing the volume up button doesn't respond.After measurement, the mainboard was disconnected, the power supply was removed, and pin and Jump wire were sent to Capacitor R601 in the lower left corner, and the fault was repaired.
Redmi K30 can't be turned on. After removing auto power off source and NFC, and replacing a charging IC, the current is normal, but the fault remains.Replace with a new Inductor,Redmi K30 can be turned on.
iPhone 12 Pro MAX after water damage,no booting was replaced by FPC, and the main board water damage chip was rebuilt.
HONOR V10 can't be turned on, change the power chip, redo the CPU, and repair the fault.
Xiaomi 11 can't turn on WiFi, which is the common common failing of Xiaomi mobile phone CPU. After disassembling, redo the CPU and repair the fault.
Restart repeatedly e mobile phone is turned on, the Xiaomi key of the mobile phone can be turned on normally, and a fault can be found Restart repeatedly e c1xt1 is opened.
HONOR V10 Boot Black Screen. After dismantling the machine, it was found that the line between BTB connector and Capacitor pin was broken, and the fault was repaired after Jump wire.
HUAWEI nova 2 Plus can't be turned on. After dismantling, the battery was found to be bulging, so the battery was replaced and the fault was repaired.
iPhone 11 Pro Max can't be turned on, mobile phone short-circuit current, replace power amplifier VCC chip, repair the fault.
