(NOTES)
These are direct file links, to the file. Not redirected URLs. You can paste these links into your Aruba Instant Maintenance, Firmware tab, and click update now.
(RELEASE 6.5.3.1)
URL for AP214/215/224/225/228/274/275/277 (Centaurus):
https://dl.dropboxusercontent.com/s/c41p46wzvmdmcuh/Centaurus_6.5.3.1
URL for AP204/205/205H (Taurus):
https://dl.dropboxusercontent.com/s/g9ca557ka3nnbat/Taurus_6.5.3.1
(STEPS TO CREATE YOUR OWN DIRECT LINK)
1.) Download latest firmware from support.arubanetworks.com.
2.) Upload to Dropbox and share / get link.
3.) Modify the shared link to the following format.
From: https://dropbox.com/s/c41p46wzvmdmcuh/Centaurus_6.5.3.1?dl=0
To: https://dl.dropboxusercontent.com/s/c41p46wzvmdmcuh/Centaurus_6.5.3.1