SamyGO

Pleas provide full Software version starting with 'T-'.
But from your Model number i see you have CI+ device. That means for your device its not possible to patch your FW

You can install samygo hacks but for only enabling telnet:
http://wiki.samygo.tv/index.php?title=E ... es_Devices

Yes. It's possible. Try it.

Yes, you can revert it to older firmware. Please read wiki pages!
THanks