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 when prompted or from the Notification area
3. Launch the File Explorer on the computer
4. Locate the audio files on the PC
5. Transfer the desired files to the phone storage in the “Ringtones” and “Notifications” folders
6. Once the transfer completes, eject the phone storage and safely disconnect the phone from the USB cord

Change the General Ringtone:

1. Launch “Settings”
2. Access “Sound & Notification”
3. Select the desired ringtone
4. Tap “OK” and optionally, enable or disable “Also vibrate for calls”

Add Custom Ringtones to Specific Contacts:

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

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:

1. Open “Settings”
2. Go to “Device” > “Sound & Notifications”
3. Tap “Default notification ringtone”
4. Select the notification sound you want to use and tap “OK”