After testing, the mobile phone leaked 20mA when it was powered on, and it was found that one chip had broken corners by layers. Looking at the schematic diagram of Xinzhizhao software, it was found that it was powered by USB accessories, so a chip was replaced, and there was no leakage when it was powered on.
iPhone 11 Pro consumes fast power when in standby, mobile phone short-circuit current 20mA, replace a USB VCC accessory chip, troubleshooting.
iPhone 11 Pro standby power consumption is very fast,short-circuit current 20 mA, replace a USB chip VCC, troubleshooting.
The iPhone 11 Pro signal is not good, and it is detected that the problem is repaired after the RF IC is damaged.