The mobile phone display system needs to be upgraded, but the upgrade is less than half, and the mobile phone short message function can't be used. What should I do?

This is an anomaly in your mobile phone system. You can download the firmware package to restore your mobile phone system in official website, and you can solve your mobile phone problem.

You can go to official website to download the firmware upgrade package to restore the system. Address of firmware upgrade for each model:/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, and download the rom package.

This is a tutorial, you can have a look. Description of firmware upgrade:/thread-1024055-1-1.htmlRemember to back up your important information before upgrading.

You can also take your mobile phone to the after-sales service center. The address and contact information of the after-sales service center can be found in phone settings-general-after-sales service, or/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!