Redmi K30 Pro automatically restarts need to repair.

Machine model: Redmi K30 Pro

Malfunction: Redmi K30 Pro reboots automatically when it is turned on, so it can’t be turned on.

Maintenance process: get the mobile phone, press the power-on button to start the test, and the mobile phone will automatically restart after a LOGO is displayed, so it can’t get into the system operation interface.

Redmi K30 Pro automatically restarts Figure 1.

Redmi series mobile phones have repeatedly rebooted after the LOGO is turned on, which is usually caused by problems with the battery, CPU or font. After testing and eliminating the battery problem, according to the previous maintenance experience, it is speculated that the probability of virtual welding of CPU is high, so the CPU is removed and redone.

Redmi K30 Pro automatically restarts Figure 2,

Redmi K30 Pro automatically restarts Figure 3.

After the CPU was redone, the power supply of the repair machine was turned on and the test current was normal. After reinstalling the motherboard inside the mobile phone, the mobile phone could be turned on normally. After many times of power-on and power-off tests, there was no LOGO restart phenomenon, and the fault was perfectly repaired.