Iridium 9555 Satellite Phone Firmware Update
If you are having problems with your Iridium 9555 sat phone you may need to update the firmware.
Find out what firmware version the phone is using by selecting Menu>Setup>Phone Information. The firmware version is displayed and it should state HT10001.
Download the Iridium HT10001 Firmware Update
Download the HT10001 9555 Firmware Update User Guide
Download the Iridium USB Drivers for Windows XP SP 2/3, Vista SP1 and Windows 7
