Fix iPhone X high current problem
This article will cover one of the problems that many iPhone users frequently encounter. As described by one iPhone X user, it cannot be turned on due to high current. Next, we will share how to fix iPhone X won't turn on due to high current. We first need to conduct a visual inspection of the motherboard, and it can be observed that the motherboard is not deformed or damaged by water. The motherboard can then be connected to the DC power supply and we can see that there is no current leakage. Judging from this, the three main power rails PP_BATT_VCC, PP_VDD_MAIN and PP_VDD_BOOST are in normal state. Next go ahead and start the motherboard with tweezers. We can see that the starting current is greater than normal. We can now determine that the fault may be related to the 17 supply rails of the PMU output. Now we need to detach the motherboard and confirm if the fault is related to the upper or lower layer. First put the motherboard on...