Transfer Audio Files from a PC:

  1. Connect the Android device to the computer via USB
  2. On the phone, enable “File Transfer” / “Media device” when prompted or from the Notification area
  3. Open the File Explorer on the computer
  4. Locate the audio files on the PC
  5. Copy and transfer the files to the phone storage, preferably in the “Media” directory
  6. After the transfer is done, eject the phone storage via system tray and safely disconnect the device from the USB port

Change the Phone’s General Ringtone:

  1. Open “Settings”
  2. Access “Sound & Notification”
  3. Tap the desired ringtone
  4. Tap “OK” and optionally, turn “Also vibrate for calls” ON or OFF

Change a Specific Contact’s Ringtone:

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

  1. Launch “Contacts”
  2. Tap and hold the desired contact
  3. Tap “Edit” > “Menu” > “Set ringtone”
  4. Select the desired ringtone and tap “OK”

Change the Notification Alert Sound:

  1. Launch “Settings”
  2. Access “Sound & Notification”
  3. Tap “Default notification ringtone”
  4. Select the desired notification alert
  5. Press “OK”



See More: Sonim XP8: Transfer Audio Files from a PC and Set Custom Ringtones & Notifications