Back Up App Data:

  1. Launch “Settings
  2. Go to “Backup and reset
  3. Tap “Backup account
  4. Select an existing account or tap “Google Account” > “Add account
  5. Enable” Back up my data” and “Backup account

Back Up Contacts to a Google or HTC Account:

  1. Ensure the phone is connected to an active Wi-Fi network
  2. Open “Settings” > “Backup and Reset
  3. Select “Google account” or “HTC account
  4. Enable “Automatic backup” if you wish the phone to create daily automatic backups over Wi-Fi
  5. To back up contacts manually, check “Contacts” and tap “Back up now

Back Up Media Files on a Windows Computer:

  1. Connect the Android device to the computer via USB
  2. Enable “Media device” / “File Transfer” on the phone when prompted or from the Notification area
  3. Open 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 done, disconnect the device from the USB port

See More: HTC U12 Life: Back Up App Data, Contacts, and Media Files