Possible reasons for not charging and solutions:
1. Charge the device. For example, if the data cable or charging head is abnormal, replace the test respectively.
2. The battery is faulty. For example, loose, deformed, etc., replace the battery.
3. The software is faulty. General brush machine can be solved
4. The hardware is faulty. For example, the charging interface contact is poor, etc., send for repair.
5. Others. For example, too much software is running in the background, resulting in less input than output, causing no charging phenomenon.
6. Run out of power, battery protection. Activation method: Unplug the data cable of the mobile phone after 10 seconds of direct charging, then charge for 5 seconds, and then charge after unplugging (generally suitable for batteries placed for a long time)