Redmi K40 can't be powered on, and the black screen lights up

time：2024-12-11 09:02:19 Smart Hardware

Red riceK40 black screen, the power button, power + volume up, and charging can't be lit, how to save it?

Redmi K40 dual SIM mobile network into the black screen can press and hold the power button (a few seconds) to see if it is caused by shutdown. Plug in the charger to the mobile phone, see if it will display the charging pattern, and exclude the black screen caused by the shutdown of the mobile phone due to power loss, when none of the above situations are true, it means that the mobile phone is not turned off normally, and the mobile phone is still powered, that is because the mobile phone is stuck when it is running. Redmi k40 black screen features At this time, we need to press and hold the power button and the volume minus button at the same time (the time is about twenty seconds), and "FASTBOOK" will appear, and then we wait for a while, and it will turn on again, but when we wait for a long time and haven't restarted, then we need to press and hold the power button ourselves, and the phone will restart.

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