Xiaomi 10 Youth Edition Black and Screen Crashes

Machine model: Xiaomi 10 Youth

Fault phenomenon: Xiaomi 10 Youth Edition crashes or black screen directly after booting.

Maintenance process: After getting the phone, press the power-on button to start the test, and the phone can be turned on. After a while, the screen suddenly goes black. After many boot tests, the fault is consistent with the customer’s description.

Xiaomi 10 Youth edition black and screen crashes Figure 1.

This kind of fault of Xiaomi mobile phone is mostly caused by CPU virtual welding and font problems. First remove the CPU and redo it. After the CPU is redone, the startup current can’t jump up. Connect the mobile phone to the computer with the data cable, and check the prompt 9008 mode in the device manager of the computer, so as to confirm that the CPU of the mobile phone has started working.

It seems that there is still a problem with the font, so the font was removed. After testing, it was found that the font data can be read normally, so the font was welded back.

Xiaomi 10 Youth edition black and screen crashes Figure 2.

After the font is redone, the power cord of the repair machine is turned on for testing, and the current can jump to the turn-on current normally, and the fault is perfectly repaired.