https://community.extremenetworks.com/t5/extremewireless-wing/download-ap621-firmware-for-rfs4000/m-p/122234#M10036 <P><SPAN class="">We are stuck on a heritage network deployment. Our RFS4000 controller is currently on v5.9.2.0, but we have 4 units of legacy AP621 currently running on v5.2.12.0.</SPAN><SPAN class="">When checking show device-upgrade versions, the AP621 status shows none. Since our controller cannot adopt them without the AP image, we desperately need &nbsp;(or any 5.4.x compatible version) to upload into the controller.</SPAN><SPAN class="">Since the support portal doesn't allow download for legacy users without an active contract on this hardware, could anyone share a temporary FTP download link or send it to me via private message? Thanks a lot for your help!</SPAN></P> Thu, 30 Jul 2026 02:05:34 GMT CAL 2026-07-30T02:05:34Z https://community.extremenetworks.com/t5/extremewireless-wing/download-ap621-firmware-for-rfs4000/m-p/122234#M10036 <P><SPAN class="">We are stuck on a heritage network deployment. Our RFS4000 controller is currently on v5.9.2.0, but we have 4 units of legacy AP621 currently running on v5.2.12.0.</SPAN><SPAN class="">When checking show device-upgrade versions, the AP621 status shows none. Since our controller cannot adopt them without the AP image, we desperately need &nbsp;(or any 5.4.x compatible version) to upload into the controller.</SPAN><SPAN class="">Since the support portal doesn't allow download for legacy users without an active contract on this hardware, could anyone share a temporary FTP download link or send it to me via private message? Thanks a lot for your help!</SPAN></P> Thu, 30 Jul 2026 02:05:34 GMT https://community.extremenetworks.com/t5/extremewireless-wing/download-ap621-firmware-for-rfs4000/m-p/122234#M10036 CAL 2026-07-30T02:05:34Z