Causes of abnormal slow charging:
1, non-original charger charging, charging abnormal, please use the original charger.
2, the use of mobile phones when charging, resulting in slow charging or less charging, please do not use the mobile phone when charging, and clean the background program before charging or shutdown charging observation.
3, malware caused by the exception, please uninstall the recently downloaded software to try.
4. If the system is abnormal after the mobile phone is root, you need to remove root and observe.
5, mobile phone battery, charger, data cable, mobile phone charging interface failure, need to go to the local customer service center detection.