Iridium 9555 Firmware UpdateIf you have not updated your Iridium 9555 Satellite Phone recently, you can improve its functionality and operation with the latest update.
*PLEASE BE SURE TO CHECK THAT YOUR HANDSET IS LISTED UNDER THE HARDWARE COMPATIBILITY SECTION ON THE RELEASE NOTES WHICH CAN BE FOUND ONCE DOWNLOADED.*
Iridium 9555 FirmwareThe current firmware version for Iridium 9555 is HT18001.
You can check the firmware version installed on your handset by going to Menu>Setup>Phone Information
Upgrading your Iridium 9555In order to upgrade the handset's firmware you must have a PC running one of the following operating systems:
- Windows 10
- Windows 8
- Windows 7
- Windows Vista
- Windows XP