iPhone XS Max restarts from time to time, it will not restart after replacing FPC BTB connector.
Due to the double-layer motherboard, physical conditions or water damage corrode may cause the motherboard to touch the working line pad break off Inveracious Soldering or water damage corrode. Therefore, the functional failure of screen Touch failure appears. In the future, we only need to measure and touch water damage corrode, and then we can sum up the clear maintenance direction and ideas by combining the causes of the failure.
The filter Capacitor xt19201 of pp3v0 _ yogi _ prox _ als _ conn FPC on earpiece xt15601 is damaged, which leads to iPhone XS Max face ID that cannot be explained in detail with maintenance ideas.
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 XS Max mobile phone can't be charged. After detection, this fault is caused by the damage of U3300 charging IC. The charging chip is directly replaced and the problem is fixed.
iPhone XS Max water damage Face ID is not available. It is found that the fault is caused by the damage of water damage dot projector module.
