When I attempt to upgrade using the Sony Update service
it tells me I've already updated to the latest software, and does not
allow me the option to install the firmware regardless....

Any suggestions?
Try a different CDA or flash manually with a2uploader.

Quote Originally Posted by nicbh View Post
When I go to download the Ultimate CDA Generator 4.5 Extreme I just get a file called Ultimate but it's not an .exe, even if I add that on it still does not execute. Is other way of getting a CDA?
You can use my app to create the cda xml file.

Here: SE CDA File Maker