Your VIVO Y28 5G will now reboot. You will see a progress bar as it wipes the data and reformats the internal storage. This process takes 2–5 minutes.
This usually happens if you have a "Device Administrator" app active (like a work email or antivirus). Go to Settings > Security > Device admin apps and deactivate all admins. Then try the reset again. How to Factory Reset VIVO Y28 5G
Using the Volume keys, scroll down to . Press the Power button to select it. Your VIVO Y28 5G will now reboot