The black screen of iPhone 7 didn't respond due to the replacement of battery. It was found that it was caused by the penetration of screw post. The fault was repaired after flying the wire.
Mate 30 Pro doesn't have a wireless network, because the difference between the two Capacitor and the original (220N) is so great that there is no wireless network, which is normal after replacement.
The iPhone 8 plus plug-in card mobile phone has no service. After detection, it is found that the power amplifier near the switch cable is broken. The fault is repaired after the flying cable is repaired.
iPhone 7 Fall hard can't record and video, mobile phone WiFi can't be used,Jump wire can be repaired, the chip can be reinstalled, and the fault can be perfectly repaired.
Mate 10 mobile phone Won't Turn On, measuring power chip output main VCC Short circuit,The rosin smoke method power on,Capacitor high temperature Colophony (Solder)melt, remove and troubleshoot.
iPhone 6s SIM card can't be read. After detection, it was found that Baseband power supply didn't output VCC to the card holder. After replacing Baseband power supply, the fault was repaired.
The 4G signal of iPhone 7 plus mobile phone is poor, and the fault is repaired after replanting the baseband CPU.
iPhone 6 plus cannot be turned on. It is found that the phone cannot be turned on due to WiFi damage.
Huawei Honor 30 Pro mobile phone Won't Turn On, check the peripheral components of the power chip, and found that the 0.75V and 0.8V of the CPU VCC Inductor is loose, after Repeat welding, the fault is repaired.
