The mobile phone cannot send or receive text messages.

Hello! Regarding the current situation of your mobile phone, it is recommended that you try to deal with it in the following ways:

1. Try restarting the phone and see if it appears

2. Enter Settings--More Settings --Restore factory settings--Try to restore all settings

3. Try upgrading the phone to the latest version to optimize the phone system. ?There are two ways to self-service mobile phone upgrades:

① You can upgrade online through wifi: enter Settings->General/More Settings->System Upgrade->Check for Updates Now-, and download the upgrade package according to the prompts. Click Verify and Install, and the phone will restart and enter upgrade mode automatically.

② Use vivo assistant to upgrade: vivo assistant download address: /download-app_download-321-0-dn.html After downloading the program on the computer and installing it, open vivo assistant, connect the phone to the computer, and use the tool After detecting the mobile phone, it will access the server. When new software is detected on the server, the word "new" will be displayed on the "Mobile Phone Upgrade" button. Click the button and follow the prompts to upgrade.

4. Back up important information, enter settings--more settings--restore factory settings--try clearing all data

5. If none of the above methods work, please Please bring your mobile phone to our after-sales service center for inspection and treatment. The address of the after-sales service center can be found in the Settings-General/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!