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IsatPhone Pro Faulty Firmware Alert

IsatPhone Pro Faulty Firmware Alert


PLEASE NOTE: The fix is now available. You can find details here:

Inmarsat has announced a fault in firmware versions 5.1.0 and 5.2.0 (the latest) in IsatPhone Pro handsets with IMEI number above 353032041133824.

IsatPhone Pro with RedPort OptimizerThe battery on these phones does not charge while the handset is switched off. If the battery is allowed to run flat, then it becomes impossible to charge the phone unless a new, pre-charged battery is fitted.


Inmarsat expects to release a firmware update that will resolve this problem by February 8, 2013.


To check your handset’s IMEI number and firmware version, use the phone’s Menu and go to <Settings> <About>.


If you have an affected handset, Inmarsat recommends the following:

  • Keep the phone switched ON during charging
  • Maintain a full to half-charge
  • Upgrade to the new version of firmware when it becomes available


We will post instructions to upgrade the firmware as soon as Inmarsat makes it available.


About Global Marine Networks, LLC

Global Marine Networks (GMN), creates leading edge data solutions for the IsatPhone Pro and is considered a leader in advancing satellite data speeds and services. Recognized by Inmarsat as a Solutions Provider GMN helps Fixed and Mobile Satellite Services providers and their customers by offering the industry’s fastest, most reliable and easy-to-use email, web, and other hardware and software services to maritime, oil and gas, first responder and business continuity users. The company’s products include XGate high-speed satellite email, WeatherNet weather and oceanographic data software, and vessel tracking systems.

Ship to shore network management solutions are sold by GMN under the RedPort Global brand name at and as white-label solutions for the world’s premier satellite data service providers.

GMN has numerous awards and certifications for technical innovation and holds pending patents on its products. For more information on how GMN is Making Airtime Count™ – whether ship to shore, or in remote or emergency communications environments visit

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