1, software problem. Automatic shutdown will still occur when the power is sufficient, which may be a software compatibility problem, that is, the recently downloaded software is incompatible with the system, resulting in automatic shutdown.
2. Hardware problems. There is a great possibility that the battery is damaged, or the motherboard is broken. When charging, it is equivalent to directly using electricity for the mobile phone, which does not reach the battery board, or only a small amount of electricity reaches the battery board, resulting in low battery capacity of the mobile phone.