Factory Reset from Settings — Samsung E840
Optimized for E840 (—)
Enter Recovery Mode — Samsung E840
Optimized for E840 (—)
Lock Screen / Reset Notes — Samsung E840
Optimized for E840 (—)
Why reset your Samsung E840?
A hard reset on the Samsung E840 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 Samsung E840?
Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the Samsung E840 to its out-of-box state. Back up anything you want to keep before starting.
Does resetting the Samsung E840 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 Samsung E840?
Typically a few minutes, though it can take longer on older or heavily used devices as more stored data has to be wiped.
Does the Samsung E840 lock to an account after a reset?
Usually not — Factory Reset Protection (FRP) and Activation Lock are Android and iOS features. Most other platforms, including this device's, don't add an account lock after a reset.
Does my Samsung E840 have a hard reset button?
No — the Samsung E840 doesn't have a dedicated hard reset button or button combination. Use the Factory Reset method above instead.
Can I factory reset my Samsung E840 without the password?
Yes — the reset methods above don't require your lock screen password, since they bypass the normal login screen entirely.
How do I format my Samsung E840?
"Formatting" and "factory resetting" mean the same thing for the Samsung E840 — both erase all data and restore default settings. Use whichever method above matches your situation.