Does Xiaomi 8 find that it is necessary to press the power button all the time or charge it by itself to power on?

You can press and hold the power key 10 second to force the power on. 2. Confirm whether your mobile phone is turned off automatically or because of low battery power. 3. Being at zero power for a long time? When the battery power is too low, it will automatically shut down and the battery will enter a dormant state. 4. It takes more than half an hour to power on. You can change other chargers or charge the data cable to see if it can power on. 5. If the charger is plugged in, it will give off heat without any operation of the mobile phone. I suggest you unplug the charger and go to a nearby authorized maintenance outlet or Xiaomi House for testing. 6. If your mobile phone is a battery-replaceable model, try to replace the battery at a convenient time to rule out whether it is a battery problem. 7. Can I enter the recovery mode? If possible, try to switch systems (some models do not support single-system switching systems) or clear user data. If you have not backed up before, this operation may result in data loss.

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How to turn on Xiaomi 8 when it doesn't turn on at regular intervals?

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How to turn on Xiaomi 8 when it doesn't turn on at regular intervals?

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Why doesn't Xiaomi mobile phone work when it is turned on regularly?

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If you encounter a time switch failure of your mobile phone, I suggest you: 1. Try to set a time switch machine with an interval of 10 minute to see if the problem still exists; 2. Check whether it is in the charging state from the planned shutdown to the startup (in the shutdown state, when the charging process reaches 100%, it may lead to time on-off failure).

2022- 1 1-06

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Xiaomi 8 can't be turned on

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Hello, dear, let me answer for you this time. Please be patient. There are several reasons why the mobile phone has power but cannot be turned on: 1. The power line is not normal. Look: use an external power supply to power the mobile phone, and use an electric meter to check whether the indicator light has changed. If there is no change, it is likely that the boot cable is broken or the boot key is in poor contact. 2. The battery power supply circuit is abnormal: use the external interface to supply power to the mobile phone, and turn it on to see if it returns to normal. If it is normal, it is determined that the mobile phone power supply circuit is abnormal. 3. Abnormal mobile phone power IC: Test the peripheral circuit of the power IC against the circuit schematic diagram to see if the test value is normal. 4. The system clock and reset of the mobile phone are abnormal: you can use the dual main oscilloscopes to detect the CPU power supply of the mobile phone to see if the waveform in the reset is correct. 5. There is something wrong with the logic circuit: the circuit board of the mobile phone is faulty. Generally, this problem can be solved by repair welding.

2022-07- 14

Number of service personnel 146 13

How can Xiaomi 8 be turned on when it is not turned on at a fixed time? To find the answer, let's "ask"

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