The Samsung Galaxy S25 runs One UI on Android. A hard reset (factory reset) wipes the phone back to its out-of-the-box state — handy for a forgotten lock screen, a frozen or laggy device, or before you sell it. You can do it two ways: from Settings if you can still unlock the phone, or from Recovery if you’re locked out.
Before you start
- Back up your data — a reset erases everything on the phone.
- Know the Google account signed in on the phone. After a reset the S25 asks for it (FRP anti-theft) before you can set it up.
- Charge the phone to at least 30%.
Method 1 — factory reset from Settings
- Open Settings → General management → Reset.
- Tap Factory data reset, scroll down and tap Reset.
- Enter your PIN or pattern if asked, then confirm Delete all.
Method 2 — hard reset from Recovery (if you’re locked out)
- Power the phone off completely.
- Hold Volume Up + Side (Power) together until the Samsung logo appears, then release.
- Use the volume keys to highlight Wipe data/factory reset and press the Side key to select.
- Confirm Factory data reset, then choose Reboot system now.
Important: Google (FRP) lock
After the reset, the S25 asks for the last Google account that was signed in. Make sure you have those details first, or you can be locked out of your own phone. For the full walkthrough see our hard reset any Android guide.
FAQ
Will a reset remove the screen lock?
Yes — the recovery method clears the lock, but the phone still requires the previous Google account afterwards.
Does it delete everything?
Yes. Photos, apps, accounts and settings are all erased, so back up first.
