The reasons for the total contact of the mobile phone poor charging is always power off:
1, the phone charging interface into the ash contact is poor (you take a toothpick and other excuses to clean up and try again, be careful not to force too much). ;
2, the phone charging interface is broken (can only be repaired). ;
3, USB cable is broken (very cheap to replace). ;
4, the connector of the charger is broken (can only buy new). ;
5, there is a problem with the plugboard (the probability is very low, you can use other household appliances to try to rule it out). ;
6. Cell phone battery failure. ;
7, some models of mobile phones have overpower protection, you may use up the battery need to reactivate. ;
8. There is a problem with the mobile phone motherboard.
The charger of the mobile phone is connected to the phone while charging it for a while and automatically disconnected. First of all, you should check a data cable of your mobile phone to see if there is poor contact. If the color of the data cable is very poor or the skin is broken, it is recommended to replace a new data cable for charging.
In addition, when the phone is charged to about 80%, the temperature will be too high and it will be charged or disconnected to achieve a cooling truth.