Transfer Audio Files from a PC:

  1. Connect the Android device to the PC via USB
  2. On the phone, enable “File Transfer” / “Media device” when prompted or from the Notification area
  3. Launch the File Explorer on the computer and navigate to the audio files on the PC
  4. Copy and transfer the files to the phone storage, preferably in the “Ringtones” and “Media” folders
  5. Once the transfer completes, safely disconnect the device from the USB cord

Change the General Ringtone:

  1. Open “Settings
  2. Go to “Personalize
  3. Tap “Ringtone
  4. Select the desired ringtone
  5. Tap “Apply

Change a Specific Contact’s Ringtone:

NOTE: Custom ringtones can’t be set for contacts located on the device’s internal memory or SIM card.

  1. Launch “Phone
  2. Select the contacts whose ringtones you want to change
  3. Tap “Ringtone” and select the desired ringtone
  4. Tap “Apply

Change the Notification Alert Sound:

  1. Open “Settings
  2. Scroll to and tap “Sound & Notifications
  3. Tap “Notification sound
  4. Select the alert sound you want to use and tap “Apply

See More: HTC Desire 12s: Transfer Audio Files from a PC and Set Custom Call and Notification Ringtones