If your Xiaomi phone 1 cannot be turned on during use, you first need to confirm whether your phone battery has enough power. If you are not sure, it is recommended to connect the phone to the charger for 15-30 minutes. Then turn it on again or try another battery of the same model. If the phone becomes hot without performing any operation when the charger is plugged in, it is recommended that you unplug the charger and go to Xiaomi Home or an authorized repair center for testing. If you confirm that the phone has sufficient power but still cannot turn it on, please try the following methods:

1. The screen can light up and the MI Logo can be seen. It is recommended to wait for a while to see if you can enter the system. If you cannot enter, press and hold the power button for 8 seconds to turn off the phone. Enter the recovery mode again and try to switch the system or clear the data. If you have not backed up before, this operation may cause you to lose your data. Please choose carefully (operation method: press and hold the volume up button and power button in the shutdown state, after entering the recovery mode , volume button to select, power button to confirm, select clear data - clear user data, or select to restart the phone, select the system without marking recent to enter).

2. If you still cannot enter the system, you can try to see if you can enter fastboot mode. If you can enter fastboot, it is recommended that you flash the phone through a wire flash method (operation method: in the shutdown state, press the volume down button and the power button at the same time) key).

3. If the above is invalid or the screen cannot light up when pressing the power button, it is recommended that you take the phone to a nearby authorized maintenance point for testing.