Joke Collection Website - Public benefit messages - BBK mobile phone knows why the short message font is hollow.
BBK mobile phone knows why the short message font is hollow.
2. In Settings-More Settings-Restore Factory Settings-Restore All Settings. This operation will not lose mobile phone data.
3. Click "Settings->; More settings-> Restore factory settings-> Clear all data. Note: This item will lose all the data saved by the user on the mobile phone, including phone book, short message, third-party application software and related account information. Please use it with caution.
4. You can download the firmware package of the corresponding model in official website. Path: Go to the homepage of vivo official website-Services-Search for the corresponding model. Click Resources to download and download the firmware package. Specific operation tutorial: Go to official website Home Community-Plate -V Powder Play Machine-Play Machine Skills-Search official website Firmware Upgrade Operation Tutorial. There are detailed steps in this post.
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