VivoY7 1A can't hear the sound. The sound was clearly turned on, but no sound was heard. What should I do if I shut down and restart?

VivoY7 1A can't hear the sound, and it won't recover after restarting. You can check in the following ways:

1. Confirm whether it is the media volume or the ringtone volume. You can view and turn on the corresponding volume settings in the settings of the phone-sound and vibration.

2. Is there no sound in all program operations or some program software operations? If there are some programs, it is suggested that the program data can be cleaned up, and third-party software can try to uninstall and reinstall (chat software programs may not keep chat data during this operation, so if there is important information, it is recommended to back it up first);

3. Enter the phone settings-system upgrade interface to check whether it is the latest version;

4. Enter Settings-More Settings-Restore Factory Settings/Backup Reset-Try to restore all settings (it is recommended that you back up important data such as contacts, information and pictures in your mobile phone, and WeChat may need to log in again);

5. It is recommended to take the mobile phone to the official customer service center of vivo for processing. The address and contact information of the service center can be found in official website-the outlets serving vivo-click to view all-select your province and city-and check the local customer service center.