Help helllpppppp

[roshan567]

hey guys...my nexus s is a 9020T..i recently upgraded my OS to the ICS 4.0.3 via a manual update..

it worked perfectly for 2 days until suddenly my phone stopped catching network and i havent been able to make receive calls or receive send msgs..

can someone pls help me out??i am a noob at this android OS

 

[xxartixx]

Try factory resetting it :S