NOTE: You can check this thread for instructions on how to back up app data, contacts, and media files.

Restore App Data:

  1. Open “Settings
  2. Access “Phone Management
  3. Tap “Backup & Reset
  4. Go to “Restore from backup” and select the desired backup file
  5. Tap “Start” > “Done

NOTE: you might have to reboot the device to complete the restore.

Restore Contacts:

  1. Launch “Settings
  2. Go to “Phone Management” > “Backup & Reset
  3. Select “Restore from backup” under “LG Backup
  4. Select the backup you want to restore and tap “Start
  5. When prompted with “Restored” tap “Done

Restore Media Files:

  1. Open “Settings
  2. Go to “Phone Management
  3. Tap “Backup & Reset” > “Restore from backup
  4. Select the media file backups you want to restore
  5. Tap “Start” > “Restart

Restore Media Files from a PC:

  1. Establish a USB connection between the Android device and PC
  2. On the phone, enable “Media device” / “File Transfer” at the prompt or from the Notification area
  3. Open the File Explorer on the PC and locate the media backup files
  4. Copy and transfer the files to the phone storage, preferably in the folders of origin
  5. Once done, eject the phone storage and safely disconnect it from the USB cord

See More: LG Harmony 2: Restore App Data, Contacts, and Media Files