firmware 4.6.5 ERS4800

[ith]

Hello,

i bought an old switch ERS4850 and the firmware is 5.6.0, i want to upgrade the firmware but extrem only permit download the last version. (5.12.0)
to upgrade the switch i need upgrade by 5.6.5 and 5.9.0, these firmwares are no longer available in avaya and extreme websites. Where can I download ERS4800 firmware 5.6.5 and 5.9.0 ? 

thanks for your help

[SamPirok]

Hello, there are image files for releases back to 5.9 posted here. Hope that helps!