1, for the non-original charger, this situation will often occur, which is caused by the substandard charger specifications, replace a qualified charger.
2. Please check whether the data cable is normal. The data cable looks normal on the outside, but it may have been broken inside. Check method is to borrow someone else's data cable to see if it can be charged.
3, the display plug symbol is normally full to display. If the battery is full or low, the rear plug is fine.
4, to the after-sales for free testing and maintenance