It is recommended to check the causes in the following ways to solve the problem:
1, the voltage is not enough, it is recommended to change the jack, such as originally plugged in the computer charging to the socket.
2, the charger or data cable is not the original replacement use the original mobile phone data cable and the original charger to charge.
3, check whether the room temperature is too low Apple set the temperature for the iPhone battery is too low protection temperature is too low sometimes the phone will not be able to charge, to prevent deposition in the battery, resulting in internal short circuit of the battery.
4. The charging head has been aging for a long time or the interface is dirty. Take a fine piece of metallographic sandpaper and cut it to the right size, fold it in half a few times, and gently rub it in the joint.
5, the charger or data cable is broken, it is recommended to change the data cable or charge.
6, battery damage if the above reasons are excluded, it is still unable to charge, and it is suspected that the mobile phone battery is damaged, please go to the local after-sales point for detection.
Troubleshooting method: 1, check the contact between the charging interface and the cable. Confirm good contact. 2, replace the charging wire with the same specifications for testing to ensure that the wire has no fault. 3, replace the charger with the same specification for testing to eliminate the cause of the charger. 4, press the [power] button, after the shutdown option appears and slide to shut down. Charging under shutdown, this step is mainly to avoid non-charging caused by system reasons. If the above methods fail, it is recommended to send the repair customer service.
This is because the charger is not original, or the data cable is not officially certified by Apple.