Hard Reset via Recovery — LG K51S
Optimized for K51S (Android 9.0 (Pie))
Factory Reset from Settings — LG K51S
Optimized for K51S (Android 9.0 (Pie))
Enter Recovery Mode — LG K51S
Optimized for K51S (Android 9.0 (Pie))
FRP Bypass (Google Lock) — LG K51S
Optimized for K51S (Android 9.0 (Pie))
Why reset your LG K51S?
A hard reset on the LG K51S fixes boot loops, forgotten PINs and persistent lag. Using Volume Down + Power, you can access recovery mode and 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 LG K51S?
Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the LG K51S to its out-of-box state. Back up anything you want to keep before starting.
Does resetting the LG K51S 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 LG K51S?
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 LG K51S?
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.
How do I reset my LG K51S?
Use the Hard Reset method above if your LG K51S is frozen or won't respond, or the Factory Reset method if the screen still works normally — both are covered step by step on this page.
What is recovery mode on my LG K51S?
Recovery mode is a stripped-down menu outside the normal operating system, used to wipe data or apply updates when the LG K51S won't boot normally. See the Enter Recovery Mode section above for how to reach it on this device.
How do I format my LG K51S?
"Formatting" and "factory resetting" mean the same thing for the LG K51S — both erase all data and restore default settings. Use whichever method above matches your situation.