1. Turn off the machine, and press and hold the volume increase button and the power button for about 5 seconds to turn on the machine. Press the Volume button to select Restore, press the Power button to confirm, and then click Clear Data.
2. After clearing, you can clear the screen lock password and turn on the device search function. After restarting, you need to verify the account password of the healthy mobile phone.
3. Turn on the device search function, and try to use other devices to open the vivo cloud service webpage cloud service.
4. Enter the password of vivo account, find the device, empty the device, and click OK to reset.
5. Clear all data, thus clearing the screen lock password.