Reset Network Settings:

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

  1. Open “Settings
  2. Go to “General Management” and tap “Reset
  3. Tap “Reset network settings
  4. In case your phone is protected by a lock screen, enter your password/PIN to proceed
  5. Tap “Reset settings

Factory Reset

WARNING! When you factory reset your device, all your personal data on the phone’s internal memory will be deleted, including apps, downloaded content, media files, contacts etc. Data located on the SD and SIM cards won’t be affected.

NOTE: Before your reset the device, you can check this thread for a guide on how to back up data, and this thread for instructions on restoring data.

Hard Reset via Settings:

  1. Launch “Settings
  2. Go to “Sound and accounts
  3. Tap “Backup and restore
  4. Optionally, enable or disable “Restore” and “Back up my data
  5. Go back to “Settings” and access “General management
  6. Tap “Reset” > “Factory data reset” > “Reset device
  7. In case your phone is protected by a lock screen, enter your PIN/password to proceed and tap “Continue
  8. When ready, tap “Delete all

Hard Reset via Android Recovery:

NOTE: If your phone freezes, crashes or otherwise prevents you from resetting it via Settings, alternatively you can try resetting the phone from the Android Recovery menu.

  1. Ensure the phone is powered Off
  2. Press and hold “Volume Up” and “Home” at the same time, then press and release “Power” too
  3. At the Android screen, release the buttons and wait for the Recovery menu
  4. Navigate the menu by pressing “Volume down” repeatedly and highlight “Wipe data/factory reset
  5. Press “Power” to confirm the highlighted option
  6. Highlight “Yes – delete all user data” and press “Power
  7. Once done, ensure “Reboot system now” is highlighted” and press “Power” again to confirm

See More: Samsung Galaxy J7 Prime (2018): Soft/Hard Reset via Settings or Recovery