My mobile phone battery suddenly died after a few minutes of talking, and then came back.

The mobile phone often shows no power during the call, and then the power is restored after restarting. Usually this situation is caused by system anomalies.

Users are advised to back up their mobile phone data, and then enter the settings to restore their mobile phones to factory settings.

The mobile phone will return to its original state after leaving the factory, and then the user can observe it for a period of time.

If the fault still exists, users are advised to send their mobile phones to brand customer service for testing and maintenance.