Inmarsat has released a new firmware version 01.12.00 for the IsatPhone 2. The firmware version 01.12.00 supersedes the version 01.08.01 that was released in October 2015.
The firmware upgrade is only recommended, meaning that the features introduced by the firmware are important but not critical for the GSPS service including the network and the IsatPhone 2 handset.
Fixes and enhancements in this release
 Comply with regulatory requirements in Japan territory
 Improved the interval trigger time and setting in Tracking feature
 Removed occasional crash events in Tracking mode, in Assistance Alert mode, GPS application and some other occasions
 Improved the practice of the Fixed Number Dial (FND)
 Corrected the registration process when network selection is set as manual
 Corrected the beam selection when network broadcast repeated vertices
 Corrected the user profile saving mechanism after factory reset
 Corrected the message content for the V-card delivery
 Improved the display brightness, screen light and keypad light
For more information visit: https://www.satphone.co.uk/firmware-upgrades/handsets/isatphone-2-firmware-update/