Iridium 9555 - Iridium

Iridium 9555 Ver HT 25003 Jan 14 2026
Re-Epoch update

Iridium 9575 Extreme - Iridium

Iridium 9575 Extreme
HL25003 firmware Jan 14 2026
Re-Epoch update

Iridium GO - Iridium

Iridium GO Firmware Ver 2.3.1
Fix for Date Re-Epoch

Iridium PTT Extreme - Iridium

Iridium PTT Extreme Firmware Jan 14, 2026
Re-Epoch fix

LT 3100 (Iridium) - Iridium

V 1.15R firmware

LT3100 (Iridium) - Iridium

LT 3100 v 1.15R Release notes

LT3100S *GMDSS* version - Iridium

Firmware 1.06 for LT3100 S *GMDSS* version only.