IPhone 11 Pro mobile phone standby power consumption fast repair

IPhone 11 Pro mobile phone standby power consumption fast repair

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.

Machine model: iPhone 11 Pro

Fault phenomenon:

Recently, a customer found that his mobile phone was fully charged before going to bed, but it was only about 70% when he got up in the morning. At first, he thought that his mobile phone background program was running too much, and he uninstalled and turned off several uncommon softwares. As a result, the problem of fast standby power consumption of his iPhone 11 Pro phone still existed. Before comparison, he only lost 3%-5% of power a night.

Maintenance process:

Get the customer’s mobile phone, and the appearance of the mobile phone has no obvious signs of falling and damage.

IPhone 11 Pro mobile phone standby power consumption fast maintenance Figure 1

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 mobile phone standby power consumption fast maintenance Figure 2

Test that the standby power consumption of the mobile phone is normal, repair the fault, and the maintenance is over.

IPhone 11 Pro mobile phone standby power consumption fast maintenance Figure 3