Transfer Audio Files from a PC:

  1. Connect the Android device to the PC via USB
  2. Enable “Media device” / “File Transfer” on the phone, either when prompted or from the Notification area
  3. Launch the File Explorer on the computer
  4. Copy and transfer the files on the phone storage, preferably in the “Media” directory
  5. Once the transfer is complete, eject the phone storage via system tray and safely disconnect the device from the USB cord

Change the General Ringtone:

  1. Launch “Settings
  2. Tap “Sound & Notification” under “Device
  3. Select the desired ringtone
  4. Tap “OK” to confirm
  5. Optionally, you can turn “Also vibrate for calls” ON or OFF

Change a Specific Contact’s Ringtone:

NOTE: Custom ringtones cannot be set for contacts located on the phone’s internal memory or SIM Card.

  1. Open “Contacts
  2. Tap and hold the contact whose ringtone you want to change
  3. Tap “Edit” > “Menu
  4. Tap “Set ringtone” and select the desired ringtone
  5. Press “OK” to confirm

Change the Notification Sound:

  1. Open “Settings
  2. Scroll to “Device” and tap “Sound & Notification
  3. Tap “Default notification ringtone
  4. Select the notification sound you want to use
  5. Press “OK

See More: Panasonic P99: Transfer Audio Files from a Windows Computer and Set Custom Ringtones