Environment : This article applies to all Aruba Mobility Controllers.
Aruba Support Site (https://support.arubanetworks.com) gives customers 24×7 access to critical technical information, such as FAQs, field alerts, release notes, product documentation, best practices documentation and product software and firmware updates and upgrades.
Following screenshots would help to look out for the latest firmware version for a mobilty controller:
1. Aruba Support Site (https://support.arubanetworks.com) and click on Login.
2. Enter the user credentials that you registered with Aruba.
3. Once logged in, click on "Download Software" tab.
4. From the list of folders under Navigator, Select ArubaOS
5. From the list of releases, select the one you would like to download the code from and the right-pane would display as shown below, with the firmware images per controller model, standard and Aruba mibs, and release notes: