hi
upgraded to 3.12 from 3.0
rite now i cant connect to celcom
can somebody help to solve my problem?
can i downgrade back to 3.0

its an UK set, already unlock and jailbrake to 3.0...
but i just upgrade it using redsnow to 3.12..
now at the network bar, there supposed to be my celcom logo, but now only few dots..
go to setting, said network cant be found.

already tried to restore it , but still the problem persist..
i just bought it from seller who use maxis,

can it be solve by jailbrake or blackrain??