WARNING! By factory resetting your phone, you will delete all personal data stored on the device’s internal memory, including media files, apps, contacts, downloaded content etc. In addition, all settings will be restored to factory values; however data stored on the SIM and SD cards will not be affected.

NOTE: Before you factory reset the Samsung Galaxy A9 Pro, you can visit this thread for instructions on how to back up and restore data.

Factory Reset via Settings:

  1. Open the apps drawer
  2. Launch “Settings
  3. Scroll to “Personal” and tap “Backup and reset
  4. Optionally, enable or disable “Back up my data” and “Restore
  5. Tap “Factory data reset” > “Reset device
  6. If your phone is protected by a lock screen, enter your password / pattern / PIN and tap “Continue” to proceed
  7. Tap “Delete all” to confirm

Factory Reset via Recovery:

NOTE: If your phone crashes, freezes, or is otherwise unresponsive and doesn’t allow you to reset it via Settings, you can try resetting the device from the Android System Recovery menu which can be accessed by performing a combination of button presses.

  1. Make sure the phone is turned off
  2. Press and hold “Power”, “Home”, and “Volume Up” at the same time
  3. At the “Samsung” logo, release “Power
  4. When the “Android” logo appears, release “Home” and “Volume Up” too
  5. Wait to gain access to the Recovery menu (this may take up to 1 minute). Once done, release all buttons
  6. From the Recovery menu, press “Volume down” repeatedly to highlight “Wipe data / factory reset
  7. Press “Power” to select the highlighted option
  8. Press “Volume down” to highlight “Yes – delete all user data
  9. Press “Power” to confirm
  10. After the reset is done, “Reboot system now” should be highlighted
  11. Press “Power” to confirm and restart your device

Check for OS Updates:

NOTE: After you reset your phone, it’s recommended to check if new software updates are available for download.

  1. Tap “Apps” on the home screen
  2. Go to “Settings
  3. Scroll down to and tap “About device
  4. Check if the OS is up to date and, if necessary, follow the on-screen prompts to download and install any available updates (A reboot may be required throughout the updating process)

See More: Samsung Galaxy A9 Pro: Factory Reset via Settings / Recovery; Check for OS Updates