1, the charger is broken or there is a problem with the interface.
2, first of all, the phone is connected to the charger and plugged into the plug-in board to see if it can be charged. If you can't charge, the current possible problems are: the charger is broken, the cable is broken, the phone interface is broken, the battery is broken, and the system is faulty.
3, change a cable or change the charging plug, and then charge to see if you can rush into the electricity, if the charge into the electricity, it proves that this is the problem, change a cable, or change the charging plug. When the charging plug is changed, pay attention to the same parameters as the current and voltage of the original charging plug of your phone to prevent harm to the phone. If you can't rush, the possible problems are: mobile phone interface problems, battery problems, system problems.
The mobile phone does not charge into the point, may be the mobile phone charging head output current and voltage can not meet the mobile phone charging requirements, if confirmed to use the original charging head, there is still this situation, it may be the mobile phone charging head failure caused. It is recommended to replace the other charging head with the original output voltage and current charging head interchange try.
Change the data cable, the interface wear will lead to less charge. My fast charge sign is still on. It's slow to charge. Change the line perfect solution! It could also be a problem with the charging port on the phone. Normal use of the battery and charging plug can not be broken.