Finally, tap Erase Everything or Confirm . The phone will restart automatically and begin the wiping process. This may take a few minutes. Method 2: Hard Reset via Recovery Mode (For Locked or Frozen Phones) Use this method if you forgot your screen lock, the phone is stuck on the logo, or the screen is unresponsive.
Select Erase All Data (Factory Reset). You might also see an option like "Reset to Factory Settings." How to Hard Reset VIVO X9s
Tap on Backup & Reset (or "Reset Phone"). Finally, tap Erase Everything or Confirm