First look at whether the charging board is good or whether the charger is inserted in place; 2) Confirm whether to use the standard charger and data cable, if not, please replace a charger and data cable to see whether the charger is faulty; 3) Whether it is because the phone is too hot: Huawei mobile phone has a unique thermal protection optimization design. When the temperature of the phone is high, the charging current will be limited considering the user's feel comfort. You can turn off the phone's applications such as videos and games, or turn off the phone when the temperature is too high