This is an official answer from GTAC
Hi Mareks, I apologize for the delay in this response.
The product is end of service, (since 2016), and I am unable to provide the firmware for it.
I do not really understand why? Because the firmware is publ...
Thank you very much!
Created login
Logged in and it was asked "to request Access Please Create a Case so GTAC can investigate download entitlement."
Tried to create a case in GTAC, but did not succeeded, due to the error (screenshot attached)