1, first of all, the mobile phone system is faulty, so there is a problem with the battery power display. This problem is the easiest to solve, you can directly shut down and restart, which is equivalent to data refresh, and the general power display will return to normal.
2. Secondly, the charger fails. This failure is the main reason why mobile phones cannot be charged. So how to judge the charger is good or bad. It's actually very simple, try another charger. If it can be charged, it can be concluded that the charger is faulty.
3, the charger and mobile phone contact is poor. It is also very common that the charger is not plugged in properly due to careless phone users.
4, fourth, mobile phone battery problems. In general, it's rare to have a problem with your phone's battery. But once there is a problem, it is a big problem and must be paid attention to.
One is to check the charging power supply, and the other is to check the mobile phone. You can try the following methods (in the case of normal electricity)
1, change a normal charging head, possibly because the charging head aging, Android charging head can be shared;
2, change the normal charging line, the charging line is a frequency consumable, the internal line is easy to damage, the general probability of failure is greater, change an Android line can be;
3. It may be that the charging cable and the corresponding charging head interface are in poor contact, so replace the equipment;
4, may be the phone's system failure, directly shut down and restart;
5, it may also be other reasons for the mobile phone system, such as internal lines, battery hardware, etc., need to go to a professional maintenance point to view;
It is recommended to change the wallpaper, because the vitality wallpaper shows that the phone has a virus