Samsung Galaxy S8 / S8+ - Factory Data Reset (Powered Off)
Here's how to factory / hard reset your Galaxy S8 / S8+ if the screen freezes or call, app, audio or sync issues occur and the device won't start up.
- Perform a factory data reset only if necessary as it removes your Google™ account and all data including system data, app data and media.
- For devices with Android™ Device Protection turned on, it's imperative Google sign-in credentials are known prior to completing a factory reset with the device powered off. If credentials are unknown, do one of the following:
- Attempt to sign in with any Google account previously used on the device.
- Reset the password via the https://www.google.com/accounts/recovery website.
- If a pattern, PIN, etc. is or has ever been set up on the device, Google account sign-in is required during initial setup.
- Ensure the device is powered off.If the device is responsive and can be powered on, the preferred reset method should be performed.
- Press and hold theVolume up+Bixby+Power buttonsat the same time then release all buttons when the phone vibrates.
- From the Android Recovery screen, selectWipe data/factory reset.Allow up to 15 seconds for the Android Recovery screen to appear.Utilize the volume buttons to cycle through the available options and the power button to select.
- SelectYes.Allow several seconds for the factory data reset to complete.
- SelectReboot system now.