Transfer Audio Files from a PC:

1. Connect the Android device to the computer via USB
2. On the phone, enable “File Transfer” / “Media device” from the notification area or when prompted
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, preferably in the “Media” folder
6. Once the transfer is done, eject the phone storage via system tray and safely disconnect the phone from the USB cord

Change the General Ringtone:

1. Open “Settings”
2. Access “Device”
3. Tap “Sound and notification”
4. Select the desired ringtone and tap “OK”
5. Optionally, enable or disable “Also vibrate for calls”

Change a Specific Contact’s Ringtone:

NOTE: Custom ringtones cannot be assigned for contacts stored on the SIM card or the phone’s internal memory.

1. Open “Contacts”
2. Tap and hold the contact whose ringtone you want to change
3. Tap “Edit” > “Menu”
4. Go to “Set ringtone”
5. Select the desired ringtone and tap “OK”

Change the Notification Alert Sound:

1. Open “Settings”
2. Access “Device”
3. Tap “Sound & notification”
4. Tap “Default notification ringtone”
5. Select the desired notification alert
6. Press “OK”