Before updating your Firmware it is important to know what firmware version your phone currently has installed. Please follow the instructions below to find your devices current firmware.
- While on the main screen, please select Menu.
- In the Menu, go down to Setup and press select on the bottom left.
- Here you will have to scroll down until you see Phone Information, click on this.
- In the Phone Information screen you will see the Firmware Version as the first option.
Please Note -The latest firmware upgrade for the Iridium 9555 is version HT21001 release. (December 2021).
If your Firmware is outdated please see our Firmware Update Guide, to update your phone to the latest firmware.
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