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What should I do if the mobile phone font is garbled?

If you use a vivo phone, the font will be garbled. How to deal with:

1, enter I theme-my font-change other fonts;

2. Try to restart the phone;

3. Enter the mobile phone settings-System Management/More Settings-Backup Reset/Restore Factory Settings-Restore all settings (this operation will not delete the data in the mobile phone, so it is recommended to back up the important data of the mobile phone before operation);

4. Download the firmware package to refresh the system.