Jailbreaking 1.1.1 & Downgrading baseband 1.1.1 to 1.0.2 (Mac)

[kuldeep]

hi there, here is a strange problem and it keeps coming back to me again and again, actually i have been able to successfully unlock firmware ver 1.1.1 my phone everytime but the signal remains for only few hours or so and then it goes off by its own showing ‘ no service’ and then it comes back 3 or 4 days after it wishes to. its quite strange i have flashed and virginiesd the phone several times but no luck, can u please help me, i am in india using airtel

rgds

[theblinkyburger]

I just downgraded from 1.1.2 to 1.1.1 and jailbroke it. everything works fine.... except for the phone part. I have AT&T and now when I turn on the phone it says "waiting for activation. this could take some time" and it never connects to the network. Can someone help me fix this please!!??!?