Checking firmware version of Isatphone 2 prior to updating:
Menu > Settings > About > Firmware version
Attention: The IsatPhone 2 is available in two models, Model 2.0 and the Model 2.1. When completing the update to your phone please make sure you follow the instructions and download the software for your model.
The latest firmware versions for each model are:
IsatPhone 2 (Model 2.0) firmware version 02.00.03
Isatphone 2 (Model 2.1) firmware version 01.00.13.
The firmware downloads for both models, Firmware Upgrade Tool, and USB drivers can all be found Here.
Make sure the proper Model number is selected on the Inmarsat website before downloading any of the files.
Note: The firmware update utility is not compatible with Mac OSX.