Transfer Audio Files from a Windows PC:

1. Connect your smartphone to the computer via USB
2. When prompted, enable “Media sync (MTP)” or turn on the feature from the notification area
3. In the AutoPlay window on the computer, click “Open device to view files”
4. Launch a second Explorer window and locate the desired audio files on your computer
5. Copy the files and transfer them in the first window on the phone storage
6. Once the transfer is complete, click “Safely Remove Hardware” in the system tray, “Safely Remove Mass Storage Device” > “OK”
7. You can now disconnect the phone from the computer

Change the Phone Ringtone:

1. Tap “Apps” and go to “Settings”
2. Tap “Sound” > “Ringtone”
3. Select the desired ringtone and tap “OK”

Change the Ringtone of a Specific Contact:

1. Launch “Contacts”
2. Select the desired contact
3. Tap the “edit” icon shaped like a pencil
4. Tap “Ringtone” and select the desired ringtone
5. Tap “OK”

Change the Notification Sound:

1. Tap “Apps” on the home screen
2. Access “Settings”
3. Tap “Sound” > “Notification sound”
4. Select the desired notification sound and tap “OK” to confirm