Factory Reset

WARNING! When you factory reset your device, all your personal data stored on the phone will be deleted. This includes ringtones, apps, downloaded content, contacts, media files etc. Additionally all settings will be restore to factory values, but data located on the SD and SIM cards won’t be affected.

Before resetting the phone, you can check this thread for a guide on how to back up app data, and this thread for a guide on restoring data.

Factory Reset via Settings:

  1. Open “Settings
  2. Access “Cloud and accounts
  3. Tap “Backup and restore
  4. Optionally, turn “Back up my data” and “Restore” ON or OFF
  5. Return to “Settings” and access “General Management
  6. Tap “Reset” > “Factory data reset
  7. Tap “Reset” again. If your phone is protected by a lock screen, enter your PIN/password and tap “Continue” to proceed
  8. Tap “Delete all” to confirm

Factory Reset via Android Recovery:

NOTE: If your phone freezes, crashes, or otherwise prevents you from resetting it using the method above, alternatively you can try resetting the device from Android Recovery.

  1. Turn the phone Off
  2. Press and hold “Power” “Volume Up” and the “Home” / “Bixby” button at the same time
  3. Release the buttons and the Android screen
  4. Once in Android Recovery, press “volume down” repeatedly to navigate the menu and highlight “Wipe data/factory reset
  5. Press “Power” to select the highlighted option
  6. Next, highlight “Yes – delete all user data” and press “Power
  7. Once done, highlight “Reboot system now” and press “Power” one last time

Reset Network Settings:

NOTE: You can reset network settings to delete Wi-Fi and Bluetooth connections. However, background sync settings, data restrictive settings, and network selection mode will be restored to factory values.

  1. Launch “Settings
  2. Go to “General management
  3. Tap “Reset” > “Reset network settings
  4. If your phone is protected by a lock screen, enter your password/PIN
  5. Tap “Reset settings

See More: Samsung Galaxy J7 Star: Factory Reset via Settings/Recovery; Reset Network Settings