Transfer Audio Files from a PC:

  1. Establish a USB connection between the Android device and PC
  2. Enable “File Transfer” / “Media device” when prompted or from the Notification area
  3. Launch the File Explorer on the computer
  4. Locate the desired audio files on the PC
  5. Copy and transfer the files to the phone storage, preferably in the “Media” folder
  6. After the transfer is done, eject the phone storage via system tray and safely disconnect the device from the USB port

Change the General Ringtone:

  1. Launch “Settings”
  2. Scroll to “Device”
  3. Tap “Sound & Notification”
  4. Select the desired ringtone
  5. Tap “OK” and optionally, turn “Also vibrate for calls” ON or OFF

Change the Ringtone of a Specific Contact:

NOTE: Custom ringtones cannot be assigned for contacts located on the SIM card or the device’s internal memory.

  1. Open “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. Tap “Sound & Notification” under “Device”
  3. Tap “Default notification ringtone”
  4. Select the notification alert you want to use
  5. Tap “OK”


› See More: Cat S31: Transfer and Set Custom Ringtones & Notification Alerts