Transfer Audio Files from a PC:

1. Connect the Android phone to the computer via USB
2. On the phone, enable “File Transfer” / “Media device” at the prompt or from the Notification area
3. Open the File Explorer on the computer
4. Navigate to the audio files on the computer
5. Copy and transfer the files to the phone storage, preferably in the “Ringtones” and “Notifications” folder
6. After the process is done, eject the phone storage and safely disconnect the phone from the USB port

Change the General Ringtone:

1. Open “Settings”
2. Access “Sound & Notification”
3. Select the desired ringtone
4. 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” > “Set ringtone”
4. Select the desired ringtone
5. Press “OK”

Change the Notification Alert Sound:

1. Launch “Settings”
2. Access “Sound & Notification”
3. Tap “Default notification ringtone”
4. Select the desired notification alert
5. Tap “OK” to confirm