1, in terms of hardware, it may be the cause of battery aging, resulting in poor contact between the battery and the circuit connection or insufficient power demand often makes the phone at the critical value of automatic shutdown, resulting in frequent automatic switching phenomenon, in this case, please promptly go to the Apple repair point for mobile phone circuit detection and battery replacement.
2. In terms of software, it may be the background accumulation of some software or the system overload caused by excessive software calculation that causes the processor to heat up beyond the alarm value. This is due to the consideration of protecting the circuit, it will be forced to shut down and restart. Repair blindly. Avoid unnecessary secondary damage. You can go to Huangpu Land Plaza 1122 to repair the phone or to the regular Apple after-sales service to repair so that there is a guarantee that the physical phone needs to be judged after field testing. It is generally recommended that the mobile phone be sent to the nearest service center for testing, and the service center will determine the specific problems of the mobile phone, accessories, whether it is under warranty and repair prices according to the test results.