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Iridium Firmware Upgrades

Iridium have announced new Firmware for their 9555 and 9575 (PTT) handheld satellite phone devices. Whilst these are not compulsory upgrades they do provide the following improvements:

Issue ID  Description
4364 Improved accuracy of reporting when SMS storage on the SIM has reached capacity.
6070 Updated startup splash screen to display a NEXT constellation satellite.
5678 Improved handset upgrade: added support for Windows 10; required drivers are now installed automatically; and the upgrade itself is faster in some situations.
3451 Added functionality to allow short codes to be stored in the phonebook, used from the phonebook, and dialed directly.
6824 Improved the translations for some non-English menu languages and added Kurdish (Sorani) as a new language option.
1726 Improved responsiveness to power button press to turn the handset off.
6223 Improved reporting of signal strength on the user interface and the AT interface.
5903 Fixed an issue where a remote DTMF button press could unmute a local handset.
6045 Use of SBD services is now permitted when no SIM card is present in the handset.
6866 Fixed an issue where Location Based Services would not work correctly after a power cycle with the charger connected. (9575 only)
5498 Fixed issue where a redialed SOS call would show "Calling %s" instead of the correct number. (PTT only)
6828 Added an alert to notify the user that the antenna should be extended when placing a push-to-talk call. (PTT only)
5284 Various minor user interface improvements in push-to-talk mode. (PTT only)
5452 Removed delay that could occur in some situations after a user initiates the switch to push-to-talk mode from the menu option. (PTT only)
5535 Fixed an issue where AT commands could not be used after switching between push-to-talk and telephony modes. (PTT only)
6852 Improved screen signal strength indications to more quickly reflect the signal strength seen by the handset when in push-to-talk mode. (PTT only)

If you wish to upgrade your firmware please download the appropriate file below.

Iridium 9555
Iridium 9575 PTT

Please note the upgrade for the standard Iridium Extreme 9575 has been withdrawn - if you have previously installed upgrade HL17001 and your phone is not working please reinstall firmware HL15002 by downloading this file

Created On  2 May 2017 10:55 in Iridium Satellite Phones  -  Permalink

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