Back Up App Data:

  1. Launch “Settings
  2. Go to “Cloud and account
  3. Tap “Backup & Restore
  4. Enable “Back up my data” to back up app data to your account
  5. Enable “Automatic Restore” to allow app data to be automatically restored when signing in with the backup account or when reinstalling apps

Back Up Contacts to an Account:

  1. Open “Settings” and access “Cloud and account
  2. Tap “Accounts
  3. Select the desired backup account
  4. Enable “Contacts” and tap “menu” > “Sync Now

Back Up Contacts to SD Storage:

  1. Open “Contacts
  2. Tap “Menu
  3. Tap “Settings” and switch to “All contacts” if necessary
  4. Tap “import/Export” > “Export to SD
  5. Tap “OK” to confirm

Back Up Media Files to Phone Storage:

  1. Launch “My Files
  2. Go to “Internal storage
  3. Tap “Menu” > “Share
  4. Select the desired contacts and tap “Share” again
  5. Select the desired backup location

Back Up Media Files on a Windows PC:

  1. Connect the Android device to the computer via USB
  2. On the phone, enable “Media device” / “File Transfer” when prompted or from the Notification area
  3. Launch the File Explorer on the computer
  4. Locate the media files on the phone
  5. Copy and paste the files to the desired backup location on the PC
  6. Once the transfer completes, eject the phone storage and safely disconnect the device from the USB cord

See More: Samsung Galaxy A9 Star Pro: Back Up App Data, Contacts, Media