Reset Network Settings:

NOTE: Resetting network settings will delete all connection data including saved Wi-Fi and Bluetooth connections. In addition, background data sync, data restrictive settings, and network selection mode will be switch to default settings.

  1. Launch “Settings
  2. Access “General Management
  3. Tap “Reset” > “Reset network settings
  4. Tap “Reset settings
  5. Enter your PIN/password if necessary, and tap “Reset settings

Soft Reset Using Hardware Keys:

NOTE: A soft reset simulates battery removal, and the feature can be useful when the device is frozen and otherwise unresponsive. Applying a soft reset will not affect data stored on the phone/

  1. Press and hold “Power” and “Volume down” for up to 45 seconds
  2. Wait for the phone to reboot

Hard Reset

NOTE: Hard resetting your phone will delete all user data located on the phone’s internal memory, including contacts, downloaded content, apps, ringtones etc. Furthermore, all settings will be restored to factory values, but data located on the SIM and SD cards will not be affected.

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

Hard Reset via Settings:

  1. Open “Settings
  2. Go to “Cloud and accounts
  3. Tap “Backup and restore
  4. Optionally, enable or disable “Back up my data” and “Restore
  5. Tap “Back” to return to “Settings
  6. Go to “General Management
  7. Tap “Reset” > “Factory data reset” > “Reset device
  8. If necessary, enter your PIN/password to proceed
  9. Tap “Continue” > “Delete all” to confirm

Hard Reset Using Hardware Keys:

NOTE: If your phone freezes, crashes, or otherwise prevents you from resetting it via Settings, alternatively you can try resetting the phone from the Recovery menu, which can be accessed by performing a combination of key presses.

  1. First turn the phone off
  2. Next, press and hold “Volume Up” and “Home” at the same time
  3. At the “Android” logo, release all the buttons and wait for access to Android System Recovery
  4. Once in Recovery, press “Volume down” repeatedly to navigate to and highlight “wipe data / factory reset
  5. Press “Power” to select the highlighted option
  6. Press “Volume down” to highlight “yes – delete all user data
  7. Press “Power” to confirm and reset the phone
  8. Wait for the phone to complete the reset and highlight “Reboot system now
  9. Press “Power” one last time to confirm and reboot your device

See More: Samsung Galaxy Note 8: Soft & Hard Reset via Settings or Recovery