i wanna know what the least firmware for hivion 9090x plus is

and i also wanna ask about these things

-how to enter dcw keys and cw keys
-Which Firmwares can you use to hivion 9090x plus like You can use Condor firmware for Hivion.
-Is there a way to have my hivion 9090x plus to read Viacces 2
-can you update the Encryption things Like cas update i mean Let it read iredeto 2 and these things.