How to factory reset VIVO X21s? How to wipe all data in VIVO X21s? How to bypass screen lock in VIVO X21s? How to restore defaults in VIVO X21s?
The following tutorial shows all method of master reset VIVO X21s. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your VIVO X21s will be as new and your Qualcomm Snapdragon 660 MSM8976 Plus core will run faster.
- At first turn off the mobile by holding the Power key for a few moments.
- Then start pressing Volume Down and Power buttons together for a couple of seconds.
- When Fastboot Mode pops up let go of all keys.
- In this mode select "Recovery" by using Volume Down to scroll down and the Power key to confirm that.
- After that select "Wipe data". Use Volume keys to scroll down and the Power button to confirm that.
- Now choose "OK" and "Back" and click the Power key once.
- Finally select "Reboot system" with the Power button.
- Good job!
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