Select Factory Data Reset (or “Erase all data”).
Scroll down and tap on System or More Settings (depending on your Funtouch OS version). How to Factory Reset VIVO Y19
After the process completes, highlight Reboot system now and press the Power button. Select Factory Data Reset (or “Erase all data”)
Scroll to Wipe data / Factory reset and press the Power button. How to Factory Reset VIVO Y19
Tap Backup & Reset or Reset Phone .
Open the Settings app (the gear icon).