IsatPhone PRO Firmware

IsatPhone PRO current firmware: 5.17.2

IMPORTANT! If your IsatPhone PRO satellite phone's firmware version is lower than 5.3.0, your phone will NOT operate properly. You must update to the latest firmware in order to use your Inmarsat Pro phone and service.

For users of 5.3.0 or higher, this is a recommended upgrade, meaning that the features introduced by the firmware are important but not critical for the service, including the network and the IsatPhone Pro handset. The 5.17.2 update is mandatory only for users covered by the MEAS (I4-F2) satellite region.

To check your phone's firmware version, go to Menu > Settings > About > Firmware version.

You can download the firmware update tool and instructions at Inmarsat's support webpage.

WARNING, please read!

  • Read the entire document with instructions before attempting an upgrade!
  • All firmware upgrades, tools, and instructions have been designed, produced, and provided by Inmarsat. By performing a firmware upgrade, you will assume all and any risk. Your equipment may be damaged or bricked and repair may be required. SATTRANS shall not be responsible for any damage to your equipment and/or costs of repair/replacement as a result of firmware upgrades.
  • In October 2019, Inmarsat discontinued any further customer support and firmware for IsatPhone Pro.
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