UPDATE: New Firmware for Iridium Satellite Phones is Available

Iridium FirmwareThere is a new Firmware release now available for Iridium 9555, Iridium 9575 Extreme and Iridium Push-To-Talk (PTT) Satellite Phones. From time to time it may be necessary to upgrade your phone. In fact, installing the latest firmware version can improve Satellite Phone functionality and operation. Therefore, follow the instructions below:

Upgrading Iridium Satellite Phone Firmware:

You can check the firmware version installed on your handset by:

Menu > Setup > Phone Information

To upgrade the Iridium Satellite Phone's firmware, a PC installer is required. Therefore, you must have a PC running one of the following operating systems:
  • Windows 10, 8 and 7
  • Windows Vista
  • Windows XP
Guidance before commencing the Iridium Satellite Phone Firmware Upgrade: Please complete the following:
  • Disable Bluetooth on the PC running the upgrade
  • Remove the SIM card from the handset and install the handset battery
  • Turn the handset on
  • Ensure that the battery is fully charged or a charger is connected to the handset
Please read the Software Release Note before commencing the upgrade. This document provides more detailed instructions for upgrading your Satellite Phone Firmware. Also, this guide offers further information about feature changes within version HT18001 and HL18005 release.

Iridium 9555 Satellite Phone Firmware Upgrade:

The current version for Iridium 9555 is HT18001. Therefore, if your Iridium 9555 Satellite Phone does not show this version, please click the links below. Instructions for downloading the latest version are provided via the links below: *Please check that your handset is listed under the 'Hardware Compatibility' Section. This can be found on the release notes, which is downloaded on the below link.

Download Iridium 9555 HT18001 Version and Instructions

Download Iridium USB Drivers for PC

Iridium 9555 Linkedin (2)

Iridium 9575 Extreme Satellite Phone Firmware Upgrade:

The current version for Iridium Extreme 9575 is HL18005. Therefore, if your Iridium 9575 Extreme Satellite Phone does not show this version, please click the links below. Follow the instruction to download the latest version: *Please check that your handset is listed under the 'Hardware Compatibility' Section. This can be found on the release notes, which is downloaded on the below link.

Download Iridium Extreme HL18005 Version and Instructions

Download Iridium Extreme USB Drivers

Iridium 9575 - linkedin

Iridium Push-To-Talk (PTT) Satellite Phone Firmware Upgrade:

The current version for Iridium PTT 9575 is HL18005. Therefore, if your Iridium Push-To-Talk Satellite Phone does not show this version, please click the links below. Instructions for downloading the latest version are provided via the links below: *Please check that your handset is listed under the 'Hardware Compatibility' Section. This can be found on the release notes, which is downloaded on the below link.

Download Iridium PTT HL18005 Version and Instructions

Iridium PTT - Linkedin Dimensions (32)

Contact Us

If you have any question regarding your Iridium Satellite Phone or the instructions, please contact us. Keep in contact with us via our Social Accounts or sign up to our newsletter. As a result, you will be the first to hear about the latest upgrades and product offers.

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