NOTE: For a guide on how you can back up data on the Samsung Galaxy J1 Nxt, visit this thread.

Restore Contacts from a Google / Samsung Account:

  1. Sign in with the Google or Samsung account used for the initial backup
  2. Access the “Settings” menu
  3. Under “User and Backup”, tap “Accounts”
  4. Select either “Google” or “Samsung”, depending on the type of account used for the backup
  5. Tap your “user name” or “email address” at the top of the screen
  6. Ensure “Contacts” is selected, and then tap “Menu” > “Sync now”

Restore Contacts from an SD Card:

  1. Ensure the SD Card containing the contact backup is installed on the phone
  2. Open the “Apps” drawer
  3. Go to “Settings”
  4. Scroll to “Device” and tap “Applications”
  5. Tap “Contacts” > “Import / Export contacts”
  6. Tap “Import”
  7. Tap “SD card”
  8. Select to restore a single vCard file or multiple vCards
  9. Select to restore the contacts to your “Device storage” or “Google” account

Restore Media Files

From an SD Card:

  1. Make sure the SD card is installed
  2. Open “My Files”
  3. Under “Local storage”, tap “SD card”
  4. Tap “More” > “Edit”
  5. Mark the check boxes associated with the media files you want to restore
  6. Tap “More” > “Move”
  7. Tap “Device storage”
  8. Tap “Create folder” or navigate to the desired target folder
  9. Tap “Move here”

From a Windows PC:

  1. Establish a USB connection between the Galax J1 Nxt and computer
  2. On the smartphone, swipe the “Status” bar down
  3. Make sure “Media device (MTP)” is enabled
  4. Launch the File Explorer on the computer
  5. Use the Explorer to locate the media file backups on the computer
  6. Copy the files and transfer them on the smartphone, preferably in the “Media” directory
  7. Once the transfer is done, eject the phone storage via system tray and safely disconnect the device from the USB cord

From a Mac Computer:

  1. Connect the Galaxy J1 Nxt to your Mac via USB
  2. If necessary, swipe the notification area down and enable “Media device (MTP)”
  3. Open Kies on the Mac and click the “Back up / restore” tab
  4. Access the “Restore” tab
  5. Check the boxes associated with “Music”, “Photo”, and other types of media files you want to restore (alternatively, tap “Select all files”)
  6. Click “Restore” and follow the on-screen prompts
  7. Once the process is complete, eject the phone storage by dragging the device’s virtual drive from the desktop into the “Trash can”
  8. Safely disconnect the phone from the USB cord

See More: Samsung Galaxy J1 Nxt: Restore Personal Data