Support Centre

IsatPhone 2 | Firmware Update from Inmarsat

Last Updated: May 13, 2019 11:01AM IST


IsatPhone 2 Satellite Phone
From time to time it may be necessary to upgrade your phone in order to improve its functionality and operation.  These firmware versions are only suitable for IsatPhone 2 handsets identical to the unit pictured.

There are two models of the IsatPhone 2 and which model you have will affect how you update your firmware.   The original model has been available since 2014 and the model 2.1 was introduced in 2018.

You must choose the right firmware version for your model for it to be effective.  Please read carefully.

How do I know which model of IsatPhone I have?

  • The newer Model 2.1 has its details displayed on the outside of the phone's packaging and on the CE label inside the handset.
  • You can also identify which model you have by going to the 'About' menu setting of the handset.

Firmware for IsatPhone 2


The current firmware version for IsatPhone 2 is V02.00.03

Please note that if you are running firmware lower than V2.00.01 a firmware upgrade is mandatory meaning that the features introduced by the firmware are critical for the functionality of the IsatPhone 2 handset.

You can check the firmware version installed on your handset by going to Menu > Settings > About

Firmware for IsatPhone 2 (Model 2.1)

The current firmware version for IsatPhone 2 (Model 2.1) is V1.00.05

You can check the firmware version installed on your handset by going to Menu > Settings > About

Upgrading your IsatPhone 2

In order to upgrade the handset’s firmware you must have a PC running one of the following operating systems:
  • Windows 8
  • Windows 7
  • Windows Vista
  • Windows XP

The IsatPhone 2 Firmware Upgrade Tool is compatible with PC only.

The latest version of USB drivers, firmware and IsatPhone 2’s firmware upgrade tool must be installed. These can be found in the Inmarsat Support website by visiting

Please read the installation guides for the firmware upgrade tool and USB drivers which are also downloadable from the website.
  1. Ensure that USB drivers and the firmware upgrade tool are installed on your PC

  2. Double click on Inmarsat’s firmware upgrade tool and follow on screen instructions

  3. The firmware upgrade will take approximately between 7 and 12 minutes. After installation, you can check the firmware version by switching on the phone and selecting Menu > Settings > About > Firmware version

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