The solution is as follows: first, 1, in this case, the normal battery loss is caused, we can try to calibrate the battery, then open the \"phone\" software, enter \"*#*#2846579#*#*\
2, then we in the \"project menu\" interface, you can see the last option is \"recharge\
3. We can see that the current page prompts \"Please ensure that the battery charge ratio is between 60 and 75, and the battery temperature is below 70°\". After connecting the charger, the system displays charging.
4, wait for the completion of the recharge, in about a while, do not wait until the battery is full, it will show the completion of the recharge, so that it is OK, and then connect the charger to see if the problem is solved