Please note that firmware updates are done at the users risk, it is important to follow instructions precisely to minimise risk of damage.

DO NOT PROCEED

 

UNTIL IDENTIFYING THE MODEL YOU HAVE 

 

Always Ensure you review the firmware documents to make sure it is suitable for your exact model of equipment

The Iridium 9555 firmware version HT19002 is available for download below.

The Iridium 9555A firmware version HT21001 is available for download below.

You will require a computer running Windows 10

This firmware update provides improved performance with Iridium’s new constellation

Checking firmware version on Iridium 9555 or 9555A handset:

Navigating to:

  • Menu
  • Setup
  • Phone Information

STEP ONE

Check you handset model, and the final version of firmware suitable for it.

STEP TWO

Download the Firmware and Instructions from

Iridium 9555A Firmware and Instructions Link (for 9555A Models IRID0115G, IRIDN0115G, IRID0115T


Iridium 9555 Firmware and Instructions Link (for 9555 Models IRID0115E, IRIDN0115C, IRID0115V


Having the firmware ready is a 2 stage process

  • Download firmware
  • Unzip firmware

STEP THREE

Please follow the instructions available in the PDF downloaded with the firmware above.

You will need to connect the computer to the Iridium 9555 via the USB Cable