This method is for finding the specific file for a manual upgrade or TFTP: Aruba Support Portal (ASP) Search for
This is the newest major evolution, but APs on version 10 require Aruba Central for management. Upgrading to AOS 10 without a Central subscription can result in a "dead" GUI, requiring a factory reset to downgrade . How to Perform the Upgrade You can update your AP-505 through these methods: AP-505 - AOS8 - Instant On - Firmware version question aruba ap 505 firmware
What are you using? (Aruba Central, an On-Premises Controller, or Virtual Controller/Instant?) This method is for finding the specific file