Back Up App Data:

  1. Launch “Settings
  2. Scroll to and tap “Cloud and accounts
  3. Tap “Backup & restore
  4. Enable “Back up my data” to back up Wi-Fi passwords, account data, and settings to your Google account
  5. Enable “Automatic restore” to allow data to be restored automatically when reinstalling apps or signing in with the backup account

Back Up Contacts:

  1. Open “Settings
  2. Tap “Cloud and accounts
  3. Go to “Accounts
  4. Select the account you want to use for contact syncing
  5. Tap “Menu” > “Sync now

Back Up Contacts to SD Card:

  1. Open “Contacts
  2. Tap “Menu
  3. Access “Settings
  4. If necessary, tap “Contacts to display” > “All contacts
  5. Tap “Import / Export contacts” > “Export to SD Card
  6. Press “OK” to confirm

Back Up Media Files on the Phone Storage:

  1. Access the “Samsung” folder
  2. Open “My Files” and tap “Internal storage
  3. Tap “Menu” > “Share
  4. Select the content you want to back up and tap “Share
  5. Select the location you want to use for the backup

Back Up Media Files on a Windows PC:

  1. Connect the Samsung phone to your computer via USB
  2. Enable “File Transfer” / “Media device” at the prompt or from the “Notification” area
  3. Open the File Explorer on the computer
  4. Locate the desired media files on the phone storage
  5. Copy and transfer the files in the desired backup location on the computer
  6. After the transfer is complete, eject the phone storage via system tray and safely disconnect the phone from the USB port

Back Up Media Files on a Mac Computer:

NOTE: If Samsung Kies is already installed on the Mac, skip the first 3 steps below:

  1. Open the Internet browser on the Mac
  2. Visit Samsung Kies
  3. Click “Kies 3 for Mac” and install Kies on the computer
  4. Connect the Samsung device to the Mac via USB
  5. Enable “File Transfer” / “Media device” on the phone, at the prompt or from the “Notification” area
  6. Launch Kies on the Mac and go to “Back up / Restore
  7. Access the “Backup” tab
  8. Tick the check boxes associated with “Music”, “Photos” and other media file types you want to back up
  9. Click “Backup” to begin the process
  10. Once the backup is complete, eject the phone storage by dragging the phone’s virtual drive from the desktop and dropping it into the “Trash can
  11. You can now safely disconnect the device from the USB port

See More: Samsung Galaxy S8 Active: Back Up App Data, Contacts, and Media Files