The mobile phone camera can't be turned on, and the camera is occupied. What's the matter?

If you use vivo mobile phone to remind the camera that someone is there, you can try the following methods:

1, restart the phone;

2. Third-party software occupies the camera. You can enter the developer option in the dial * # * # 7777 # * * to view the running programs, and then close these programs in turn to release the camera occupation (some models can be viewed in Settings-More Settings-Applications-Running);

3. After uninstalling the third-party housekeeper software, enter Settings-Applications and Permissions/More Settings-Application Management-Find "Camera"-Store-Clear the data, and then restart the phone for observation. (The picture will not be deleted, and some models need to go to Settings-More Settings-Apply-Clear all data. )

4. Back up important data, and go to Settings-System Management/More Settings-Backup and Reset/Restore Factory Settings-Restore all settings.