Hello,   It's located under "Legacy Versions->9.x.  You'll see the older 9.1.x releases then scroll down for the 9.0.x.  Here's a link to the last 9.0.x. release.  You need to log into the site first.   [URL]  Regards,  Don 
Hi,   We have one PS4100, currently on firmware V7.1.2. I was planning to upgrade the firmware, the upgrade path states that I need to upgrade from V7.1 -> V8.1 ->V9.0.x -> V9.1.x   I have downloaded V8.1 but I can't find V9.0.x download link. Please help to check how can I download this firmware?   Thanks, Rohit
How to download V9.0.x for PS4100