Hello! 1: Please go to Settings-More Settings-Applications-All and clear the i Music data.
2: Try to go through "Settings-gt; More settings-gt; Restore factory settings-gt; Restore all settings"
3: Go through "Settings-gt; More settings -gt; System upgrade -gt; Check for updates now" to upgrade and update your phone's system 4: Try to clear abnormal data through "Settings -gt; More settings -gt; Restore factory settings -gt; Clear all data". Remember to back up your data before clearing it.
5: You can try firmware upgrade recovery. The method is that you can go to the official website to download the firmware upgrade package to restore the system. The firmware upgrade address of each model is: /service.html, enter this link, click "Service" - search for your mobile phone model in the search box, then select the model, click Resource Download - Firmware Upgrade to download the ROM package.
This is a tutorial, you can take a look. Firmware upgrade instructions: /thread-1024055-1-1.html (Please remember to back up your important data before upgrading)
If it still doesn't work, you can go to the after-sales service center for testing and processing. The address\telephone number of the after-sales service center can be found in the Settings-More Settings-After-sales Service menu. You can also check the after-sales service center address on the vivo official website: /service/map.html?
If you have any questions, you can consult us at any time. Thank you very much for your support of our vivo, and wish you a happy life!