How to eliminate a mark in the upper left corner of vivo mobile phone?

Eliminate an icon in the upper left corner of vivo phone:

1. Check whether there is video software download or related message notification display on the sliding notification bar interface, and you can clear it with one key;

2. Clean up the garbage cache at home in the I-tube of the mobile phone, and restart the mobile phone to check;

3. Check whether it is the latest version (some models are being set up-system upgrade) in the phone settings-My device -ikofun Touch OS/Monster/UI interface. If a new version of the push notification is detected, it is recommended to update to the latest version in time.

4. Enter Settings-More Settings/System Management-Restore Factory Settings/Backup Reset-Try to restore all settings (it is recommended to back up important data such as contacts, information and pictures in the mobile phone first, cancel the account of vivo and third-party software, and programs such as WeChat may need to log in again);

5. If the above operations have not been eliminated, you can enter the vivo official website /vivo Mall APP-My-Online Customer Service or the vivo official website Web Edition-Slide to the bottom-Online Customer Service-Enter the manual customer service and enter the online customer service feedback. ?