hai guys,

need your help..

i have a 2g iphone v 2. ++. One day, the line get cut off and display ' No service'.

So, i decide upgrade v 3.1.2 - after a few minutes.. everything is ok and suddenly..the line cut off again and the same problem - carrier become 'No service'

I have restore back to v 3.0 ( using quick pawn ) and i try using black rain but still cannot resolve it.

Right now my phone cannot detect any carrier / sim ( currently 4.0 )

is a sw or hd problem?

or my jailbreak method is wrong..

don't know what to do!!

thanks in advance

never used mac before to JB.... is it a conflict for i phone2g to JB used to use windows?

but i will try..just have to look for someone using mac first..hehe.

any other idea guys ?

owh..ok ..if it's a hardware issues..

the solutions is.. i have to change the whole motherboard or just the carrier hardware ( if there's any ) ?? ...

and do you know how much the cost is ?