truman vega-toronto-7000

hello, I'm from tunisia i have a truman vega-toronto-7000, the last change of tps encription make that i have lost my favorites channels, does someone of you can help me by telling me where can i have a new firm upgrading (tpscrypt2 or viaccess2 i don't no what is the new name) and what is the soft to use do do this operation.
I have already do it with a powersky and it work !
but i don't know what is the soft and the firm to use with a truman vega 7000. Wath is the family of this receceiver ?
You will be very kind ! sorry for my english my mail