Always hang up automatically

I'm sorry for the inconvenience, but please forgive me. In order to solve your problem, we suggest that you operate the following methods.

1. Try setting->; General/More Settings-> Restore factory settings-> Restore all settings "

2. Click "Settings->; General/More Settings-> System upgrade-> Check for updates now upgrade to update your system.

3. Try "Settings->; General/More Settings-> Restore factory settings-> Clear all data "Clear abnormal data. Note: This item will lose all the data stored by the user on the mobile phone, including phone book, SMS, third-party application software and related account information, and the data stored on the T card will not be lost. Use with caution.

4. You can try firmware upgrade. The firmware download address is/service.htmlfirmware upgrade description:/thread-1024055-1-1.htmlIf the above methods cannot solve the problem, please contact the after-sales service center. The address of the after-sales service center is in the Settings-General/More Settings-After-sales service menu. You can also check the address of the after-sales service center in vivo official website:/service/map.html.

If you have any questions, please feel free to consult us. Thank you very much for your support of our vivo. I wish you a happy life!