1. Reboot your phone.
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2, if you use other chargers, please use the original charger.
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3. Test whether the charger and socket are in poor contact, and replace the socket to charge.
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4. Check whether there is poor contact between the data cable and the mobile phone charging interface.
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5. Enter Settings -- System upgrade -- Immediately check the update, download the upgrade package according to the prompts, click verify and install, and the phone will restart and automatically enter the upgrade mode. If you still can't solve the problem through the above means, you can go to the local after-sales service center to test it, and the phone address of the after-sales service center can be queried in the Settings - more Settings - after-sales service.