If you're using the em-trak app, CONNECT-AIS, with your B924 and see a message that your software needs updating, please download the following updater tool - https://em-trak.sharefile.com/d-sda5b3b9b2a249fc8
Once downloaded you will need to extract the zip file to your local machine, run the 'Updater' application and follow the on-screen instructions. Please note the updater is compatible with Windows operating systems only.
Please Note; The updater tool can only be carried out using USB cable on a computer/laptop.
Please ensure that proAIS2 is installed first as it also installs the required USB drivers. proAIS2 can be downloaded from https://support.em-trak.com/hc/en-us/articles/360040162451-proAIS2-v01-23-01-for-Windows-and-macOS