Hard Reset via Recovery — vivo Y51 (2015)
Optimized for Y51 (2015) (Android 5.0.2 (Lollipop), Funtouch 2.5)
Factory Reset from Settings — vivo Y51 (2015)
Optimized for Y51 (2015) (Android 5.0.2 (Lollipop), Funtouch 2.5)
Enter Recovery Mode — vivo Y51 (2015)
Optimized for Y51 (2015) (Android 5.0.2 (Lollipop), Funtouch 2.5)
FRP Bypass (Google Lock) — vivo Y51 (2015)
Optimized for Y51 (2015) (Android 5.0.2 (Lollipop), Funtouch 2.5)
Why reset your vivo Y51 (2015)?
A hard reset on the vivo Y51 (2015) fixes boot loops, forgotten PINs and persistent lag. The method above will wipe the device back to factory condition. Always back up your data first, as a reset cannot be undone.
Frequently asked questions
Will a hard reset delete everything on my vivo Y51 (2015)?
Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the vivo Y51 (2015) to its out-of-box state. Back up anything you want to keep before starting.
Does resetting the vivo Y51 (2015) remove the SIM lock or carrier lock?
No. A hard or factory reset only clears data and settings — it doesn't remove a carrier/SIM lock, which is tied to the device's IMEI at the network level. You'd need to contact your carrier for an unlock.
How long does a factory reset take on the vivo Y51 (2015)?
Typically a few minutes, though it can take longer on older or heavily used devices as more stored data has to be wiped.
Will I need my Google account password after resetting the vivo Y51 (2015)?
Yes, if Factory Reset Protection (FRP) is enabled. Android (and HarmonyOS 2.x devices with Google services) will ask for the last signed-in Google account after a reset — make sure you know that password first.
Can I factory reset my vivo Y51 (2015) without the password?
Yes — resetting through recovery mode doesn't require your lock screen password, since it bypasses the login screen entirely. That said, Factory Reset Protection may still ask for your Google account credentials afterward as an anti-theft measure.
Does my vivo Y51 (2015) have a hard reset button?
Not a single dedicated button — the vivo Y51 (2015) uses a button combination instead of one labeled "reset." See the Hard Reset section above for the exact keys to press.
How do I format my vivo Y51 (2015)?
"Formatting" and "factory resetting" mean the same thing for the vivo Y51 (2015) — both erase all data and restore default settings. Use whichever method above matches your situation.