Transfer Audio Files from a PC:

1. Connect the Android device to the computer via USB
2. Enable “Media device” / “File Transfer” when prompted or from the notification shade
3. Open the File Explorer on the PC
4. Navigate to the audio files located on your computer
5. Copy the desired audio files and transfer them to the phone storage, preferably the “Ringtones” folder
6. Once done, eject the phone storage via system tray and safely disconnect the phone from the USB port

Change the General Ringtone:

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

Change the Ringtone of a Specific Contact:

NOTE: You cannot set custom ringtones for contacts located on the SIM card or internal storage.

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