It would be better if you move from gb to ics.
If it fails or something you should follow up on it, in that thread, ask the OP there.
HIT THANX IF I HELPED
Dude i installed the listed ROM On XDA bt the problem is My mobile is not detecting the SIM card
then i download all the Baseband file .bt i dont know how to flash them.one two link i got i have download the fastboot bt the i thing is that i dont know how to flash it.0ne two ROM working properly bt that has same sim card detecting issue.
pls help me
tel me ur mail id