Transfer Audio Files from a Windows PC:

1. Connect the Android phone to the PC via USB
2. Enable “Media device” / “File Transfer” on the phone, either when prompted or from the Notification area
3. Open the File Explorer on the PC
4. Locate the audio files on the PC
5. Copy and transfer the desired files to the phone storage in the “Ringtones” and “Notifications” directories
6. After the process is done, eject the phone storage and safely disconnect the phone from the USB port

Change the General Ringtone:

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

Change a Specific Contact’s Ringtone:

NOTE: Custom ringtones can’t be assigned 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 and tap “OK”

Change the Notification Alert Sound:

1. Launch “Settings”
2. Access “Sound & Notification”
3. Tap “Default notification ringtone”
4. Select the desire notification sound and press “OK”