Possible reasons are as follows:
1. Change the charger, it may be the charger is broken.
2. Changing the battery may be the battery has been used for a long time, and the general life is 1 year.
3. It may be that the battery power is too low, because the current battery power is automatically protected as long as it is below 3.6, so it is impossible to charge it again! In this case, you can first use the universal charge for 5 minutes, and then charge it.
Is the heat dissipation is not smooth, the mobile phone automatic protection does not charge, and will be charged again after restoring the temperature