Posted by David Greer on 4/25/2019 to Iridium 9575 Extreme
Up-to-date firmware is critical to any electronic device's functionality. Iridium has released firmware upgrades for many of their handset models. While some of these upgrades are optional, we recommend moving to the latest firmware to ensure your device functions as the manufacturer intends. See below for your model of phone and exactly what you need to do to keep up-to-date.