Fall hard iPhone 12 Pro Max Open no booting, separate the upper and lower layers, and find that Inductor near PMU of the upper layer falls off, and repair the fault after replacement.
iPhone 6S mobile phone has many problems when opening no booting. The common ones are Connect the power supply,Short circuit,switch,Short circuit,switch,Low current, etc. after detection, it is found that the culprit is actually it.
Previously repaired iPhone 6 Plus mobile phone no display did not respond, found reset_1V8_L and chestnut_TO_PMU_Acdin7 two pin no value,Jump wire finished.
iPhone 6S boot Hang Logo(white apple), other conditions are normal, only Nand can be replaced for testing. After replacement, the progress bar runs, and Update System is finished.
iPhone 8 Plus can't be charged,no Baseband Version, it was observed that the USB chip was damaged, and the fault was repaired after replacement.
iPhone smax fault description Camera doesn't work,Face ID can't be used, and it was found by disassembly detection.mobile phoneCan read 000 data, temporarily ignore the motherboard problem, first update Keep data on the mobile phone, and after the update is passed, the boot test is normal.
iPhone X Camera doesn't work,Face ID ID can't be used. Let's replace infrared Camera Camera FPC for testing, and then troubleshoot after replacement.
iPhone XR has no sound. After testing, it is caused by the damage of one of the ring amplifier chip and vibration control chip, which can be solved after replacing the chip.
iPhone 6 water damage can't be turned on, and the U1501 chip is found to be defective. After replacing one, the power-on current is normal for current of change, and Hang Logo(white apple)is displayed on the screen, and the board can be repaired.
The iPhone6 Plus phone has no hands-free, detects that the CPU problem is found, and the UF is turned on, and the ringtone is normal.
