NOTE: You can visit this thread for instructions on how you can back up data on the Samsung Galaxy A9.

Restore App Data:

  1. Register with the Samsung or Google account used for the initial backup
  2. Open the “Settings” menu
  3. Go to “Accounts” and select “Samsung” or “Google
  4. Tap your user name or email address at the top
  5. Tap “Sync all
  6. Return to “User and Backup” and tap “Backup and reset
  7. Check / clear the boxes next to “Back up my data” and “Automatic restore

Restore Contacts from a Google or Samsung Account:

  1. Go to “Settings
  2. Tap “Accounts” under “User and Backup
  3. Select “Samsung” or “Google
  4. Tap your “email address” and make sure “Sync contacts” is enabled
  5. Tap “Sync now

Restore Contacts from an SD Card:

  1. Tap “Apps” on the home screen
  2. Open “Settings
  3. Tap “Contacts” under “Applications
  4. If necessary, tap “Contacts to display” > “All contacts
  5. Tap “Import / Export
  6. Tap “Import from SD card

Restore Media Files

From an SD Card:

  1. Open the apps drawer
  2. Launch “My Files
  3. Tap “All files” > “SD Card
  4. Tap “Menu” > “Select” and tick the boxes next to the media files you wish to restore
  5. Tap “Menu” > “Move” > “Device storage
  6. Navigate to the desired storage location and tap “More here”. Alternatively, you can tap “Create folder” or tap the folder name to restore the files to a different location

From a Windows Computer:

  1. Connect the Galaxy A9 to your PC via USB
  2. From the notification area, ensure that the phone is connected as a “Media device (MTP)
  3. Open the File Explorer on the PC and locate the media file backups
  4. Copy the files and transfer them on your phone storage, preferably in the “Media” directory
  5. Once the transfer is complete, eject the phone storage from the system tray and safely disconnect the device from the USB cord

From a Mac Computer:

  1. Connect the Galaxy A9 to your Mac via USB
  2. Drag the “Status” bar down and make sure “Media device (MTP)” is selected
  3. Open Kies on the Mac and click the “Back up / Restore” tab
  4. Access the “Restore” tab and tick the boxes associated with “Music”, “Photos” and other media file types you wish to restore
  5. Click “Restore” and follow the on-screen steps to complete the process
  6. After the transfer is done, drag the phone’s virtual storage drive from the desktop and into the “Trash can” to eject it
  7. You can safely disconnect the phone from the USB cord

See More: Samsung Galaxy A9: Restore Personal Data