Mandatory Firmware Upgrade for IsatPhone Pro

February 08, 2013

Inmarsat released the new firmware upgrade for IsatPhone Pro, below you will find the details and link:
Following our advisory notice of 29 January 2013 about IsatPhone Pro firmware versions 5.1.0 and 5.2.0, we can now confirm that a firmware update is available for download from with immediate effect.
The new firmware version 5.3.0 fixes a fault with versions 5.1.0 and 5.2.0 that causes the battery not to charge when turned off, affecting a limited number of IsatPhone Pro handsets shipped after 7 September 2012.
This is a mandatory firmware upgrade. It supersedes version 5.2.0, which had a deadline for mandatory update of 30 June 2013.  Given the replacement of firmware version 5.2.0 with 5.3.0, the upgrade deadline has been extended to 31 December 2013.
Inmarsat recommends that customers upgrade their phones to version 5.3.0 or higher at the earliest opportunity (or 5.2.0 or higher for handsets shipped before 7 September 2012).
All phones must upgrade by the extended deadline of 31 December 2013 or the user will experience problems connecting to the network.
We apologise to any customers who may have been inconvenienced. Customers are advised to contact their Service Provider for further information.

How To Upgrade your IsatPhone Pro Firmware

Download IsatPhone Pro firmware version 5.3.0.
IsatPhone Pro firmware 5.3.0 release note 5_3_0_release_note.pdf

If you have any questions or concerns, please contact your key account manager.