Factory Reset

WARNING! When you factory reset your device, all of your personal data stored on the phone’s internal memory will be deleted, including ringtones and other media files, downloads, contacts etc. In addition, all settings will be restored to factory values, however data located on the SIM and SD cards won’t be affected.

NOTE: Before resetting the device, 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. Launch “Settings
  2. Go to “Cloud and accounts
  3. Tap “Backup and restore
  4. Optionally, enable or disable “Back up my data” and “Restore
  5. Return to “Settings” and go to “General Management
  6. Tap “Reset” > “Factory data reset
  7. Tap Reset” again and if your device is protected by a lock screen, enter your PIN/password
  8. Tap “Delete all” to confirm

Factory Reset via Recovery:

NOTE: If your device prevents you from resetting it via Settings, you can try resetting the phone from Android Recovery.

  1. Turn the phone Off
  2. Press and hold “Power” “Home” and “Volume Up” at the same time
  3. Release the keys at the Android screen and wait for access to Recovery
  4. Press “Volume down” repeatedly to navigate the menu and highlight “Wipe data/factory reset
  5. Press “Power” to select the highlighted option
  6. Then highlight “Yes – delete all user data” and press “Power” to confirm
  7. Highlight “Reboot system now” and press “Power” one last time

Reset Network Settings:

NOTE: When you reset network settings, all your saved Bluetooth and Wi-Fi connections will be deleted, while data restrictive settings, network selection mode, and background sync setting will be restored to factory values.

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

See More: Samsung Galaxy Sol 3: Factory Reset via Settings or Recovery, Reset Network Settings