How to factory reset VIVO X21UD? How to wipe all data in VIVO X21UD? How to bypass screen lock in VIVO X21UD? How to restore defaults in VIVO X21UD?
The following tutorial shows all method of master reset VIVO X21UD. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your VIVO X21UD will be as new and your Qualcomm Snapdragon 660 MSM8976 Plus core will run faster.
- Switch off the mobile by holding the Power button for a couple of seconds.
- In the second step start pressing Volume Up and Power keys for a short while.
- Release all buttons when the Fastboot Mode appears.
- In this mode choose "Recovery Mode" by using Volume keys to scroll down and the Power button to accept it.
- After that select "Wipe data" by using Volume buttons and confirm with the Power key.
- Then choose "Wipe data" two times by using the Power button.
- Now choose "OK" and click the Power key once.
- Then select "Back" and confirm with the Power button.
- At the end choose "Reboot system" and accept it by using the Power button.
- Good job!
How to reset Vivo V5 Plus to Factory Settings - video
VIVO V9 Hard Reset and Unlock Password & Pattern - video