Confirm your pattern, PIN, or password if prompted.
Open the Settings app (the gear icon).
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. Confirm your pattern, PIN, or password if prompted
Wait 2–5 minutes. Your VIVO Y19 will reboot and display the initial welcome screen like a brand-new phone. Method 2: Hard Reset (Recovery Mode) Use this method if your phone is frozen, won’t boot past the logo, or you’ve forgotten your screen lock password. Confirm your pattern
Scroll to Wipe data / Factory reset and press the Power button.