Transfer Audio Files from a PC:

  1. Connect the Android phone to the PC via USB
  2. On the phone, enable “Media device” / “File Transfer” at the prompt or from the Notification area
  3. Open the File Explorer on the computer and locate the desired audio files on the PC
  4. Copy and paste the files to the phone storage in the “Notifications” and “Ringtones” folders
  5. Once done, eject the phone storage and safely disconnect the device from the USB cord

Change the General Ringtone:

  1. Launch “Settings” and go to “Sound & Notification
  2. Select the desired ringtone
  3. Tap “OK
  4. Optionally, enable or disable “Also vibrate for calls

Change the Ringtone of a Specific Contact:

NOTE: Custom ringtones can’t be assigned for contacts stored on the phone’s internal memory or SIM card.

  1. Open “Settings
  2. Tap and hold the desired contact
  3. Tap “Edit” > “Menu
  4. Tap “Set ringtones” and select the desired ringtone
  5. Tap “OK” to confirm

Change the Notification Alert Sound:

  1. Launch “Settings” and go to “Sound & notification
  2. Select the desired notification alert sound
  3. Tap “OK” to confirm

See More: Karbonn Frames S9: Transfer Audio Files and Set Custom Ringtones and Notification Alerts