1. Charge the device. For example, if the data cable or charging head is abnormal, replace the test respectively.
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2. The battery is faulty. For example, loose, deformed, etc., replace the battery.
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3. The software is faulty. General brush machine can be solved
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4. The hardware is faulty. For example, the charging interface contact is poor, etc., send for repair.
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5. Others. For example, too much software is running in the background, resulting in less input than output, causing no charging phenomenon.
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6. Run out of power, battery protection. Activation method: Unplug the data cable of the phone after 10 seconds of direct charging, and then charge for 5 seconds, and then charge after unplugging.