- Swipe down from the top of your screen to reveal the Notification Shade.
- Tap on the Settings button in the top right corner
- Tap on the Sounds and Vibration
- Tap on Notification Sounds.
- From here you can change notification sounds
- To change the sound of your device notifications tap on default notification sound.
- Tap on the name of a sound to preview and select it.
- Tap the back key to exit
You will also need to make sure that the notification sound volume of the phone is set to its maximum level. You can do this by pressing on the volume up key.