Make sure your Buzz is on and already paired to your phone.
Launch the Neosensory app and tap the menu in the top left corner
If a new software is available, there will be a blue dot next to Device Management •.
Tap Device Management, select your Buzz if needed, and the tap Check for updates and follow on-screen instructions.
Make sure your Buzz and your phone stay close to each other when the software update is happening. It can take minutes and will prompt you when the update is finished.