In our description database there are 2 solutions for performing hard reset for vivo X3S.
Choose the first method and follow the steps to perform a hard reset. If the first solution does not work, try the next method.
Please remember! Hard reset will delete any and all data your device contains; like pictures, contacts, messages, apps etc. Everything. vivo X3S device will be brought back to the same configuration as that of a brand new device.
1. Press'n'hold the Power button until the phone turns on.
2. Now open Menu and select Settings > Privacy > Factory data reset > Reset Phone.
3. Confirm every on-screen message and wait for your phone to reset & restart. Done!