If you are connected to the internet and there is an update for R2-D2, the app will prompt you to update the Droid automatically.
You can also force an update by connecting to R2-D2 and tap the Settings tab. You will find a button that says UPDATE FIRMWARE, tap this and this should update the Firmware.
If you have any questions or concerns, please follow the link to open a new support ticket.
Or feel free to contact us at your convenience:
Email: support@sphero.com