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How to Reset a Samsung Galaxy S8

Updated 2026-08-25 · 974 words

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To reset a Samsung Galaxy S8, use Factory data reset in Settings if the phone unlocks, or use Android Recovery with the hardware buttons if Settings is unavailable. A factory reset erases personal data, while a restart or settings reset does not erase your photos, messages, and other personal files.

Which type of Samsung Galaxy S8 reset should you choose?

Choose the least disruptive Samsung S8 reset that matches the problem:

  • Restart: Turn the Galaxy S8 off and on again to address a temporary freeze or software problem. If the phone is unresponsive, press and hold the Power and Volume Down buttons for several seconds until it restarts. A restart does not erase personal data.
  • Settings reset: Open Settings, select General management, and then select Reset. Options such as Reset settings or Reset network settings restore certain preferences without deleting personal files. You may need to reconnect to Wi-Fi networks or adjust preferences afterward.
  • Factory data reset: This returns the Galaxy S8 to its factory state and removes accounts, downloaded apps, settings, messages, photos, and other data stored in the phone’s internal storage. Use it when troubleshooting has failed or when the device must be erased.

A factory reset cannot reveal or recover a forgotten screen-lock password. If the phone cannot be unlocked, the recovery-mode method can erase it, but account verification may still be required afterward.

What should you do before resetting a Samsung Galaxy S8?

Before you reset a Samsung S8, prepare for both data loss and the security checks that can appear during setup.

  • Back up important data: Save photos, contacts, messages, documents, authenticator information, and anything else you need. Confirm that the backup completed and that you can access it from another device.
  • Charge the battery: Charge the Galaxy S8 well before starting. Keep it connected to a reliable charger if the battery is low.
  • Check account credentials: Make sure you know the Google and Samsung account names and passwords used on the phone. If a password was changed recently, account security may delay its use during setup.
  • Record the screen lock: Settings may ask for the current PIN, password, or pattern before allowing a factory reset.
  • Remove cards when appropriate: Power off the phone before removing its SIM or microSD memory card. A normal factory reset targets internal storage, but removing a memory card helps prevent confusion about which data was erased.

Factory Reset Protection, or FRP, is an Android security feature that may require the Google account previously connected to the phone after an unauthorized reset. If the phone is being transferred to another person and you can unlock it, remove your Google and Samsung accounts through Settings before performing the factory reset. Do not reset the phone until you know the required credentials.

How do you reset a Galaxy S8 through Settings?

Use the Settings method when the Samsung Galaxy S8 starts normally and you can unlock it. Button names can vary slightly with the installed software version, but the official menu path is Settings, General management, Reset, Factory data reset.

  1. Open Settings.
  2. Select General management.
  3. Select Reset.
  4. Select Factory data reset.
  5. Review the accounts, apps, and data that will be removed.
  6. Scroll down and select Reset.
  7. Enter the current PIN, password, or pattern if requested.
  8. Select Delete all to confirm.

The Galaxy S8 will erase its internal data and restart. Do not force it off while the reset is in progress.

How do you reset a Galaxy S8 with the hardware buttons?

Use Android Recovery when the Galaxy S8 cannot open Settings. Android Recovery is a separate system menu used for maintenance tasks, including a factory reset.

  1. Turn the Galaxy S8 completely off. If it is frozen, hold Power and Volume Down until it restarts, then power it off when possible.
  2. Press and hold Volume Up, Bixby, and Power together.
  3. Release the buttons when the Samsung or Android startup screen appears, then wait for the Android Recovery menu.
  4. Use the Volume buttons to highlight Wipe data/factory reset.
  5. Press the Power button to select it.
  6. Use the Volume buttons to highlight the confirmation option for deleting user data, then press Power.
  7. When the reset finishes, highlight Reboot system now and press Power.

This procedure erases internal data but does not remove FRP. During setup, the Galaxy S8 may require the Google account that was previously synchronized with it.

What should you do after resetting a Samsung Galaxy S8?

The first startup after a Samsung S8 reset can take longer than a normal restart. Keep the phone charged and allow it time to reach the setup screen.

  1. Select the language and connect to a trusted Wi-Fi network.
  2. Complete any requested Google account verification using the account previously associated with the phone.
  3. Sign in to the accounts you intend to keep using.
  4. Restore data only from a backup you recognize.
  5. Check calls, Wi-Fi, sound, charging, the camera, and available software updates.

If the Galaxy S8 repeatedly returns to the startup logo, leave it connected to power and try one forced restart. Do not repeatedly interrupt startup while data restoration or system setup is underway.

What should you do if the Galaxy S8 reset does not work?

If the Galaxy S8 will not enter recovery, confirm that the phone is powered off and repeat the three-button combination carefully. Remove accessories that may press a button, use a reliable charger, and inspect the buttons for obvious sticking or damage.

If Android Recovery displays an error, the phone continues restarting, or setup requests an account you cannot verify, do not use unofficial unlocking, FRP-bypass, or flashing tools. Gather the device model, serial information, proof of ownership, and a clear description of what appears on the screen. Open the company’s official website and use the support section to contact official Samsung support or locate an authorized service option.

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