Iridium 9555 Firmware Update (HT19002)

Firmware release HT19002 for the Iridium 9555, with the download and step-by-step install instructions. The 9555 is Iridium's compact handheld, with dependable voice and SMS across the entire planet and a battery rated for about 30 hours of standby.

Looking for the latest Firmware Update for the 9555 (HT25003) Click Here