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 paste the files to the phone storage in the “Notifications” and “Ringtones” directories
5. Once done, eject the phone storage and safely disconnect the device from the USB port

Change the General Ringtone:

1. Launch “Settings”
2. Go to “Sound & Notification”
3. Select the desired ringtone and 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 located on the phone’s internal memory or the SIM card.

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

Change the Notification Alert Sound:

1. Open “Settings”
2. Go to “Sound & Notification”
3. Tap “default notification ringtone”
4. Select the desired notification ringtone
5. Tap “OK” to confirm