i have iphone 1.1.4
my carrier for this phone is Vodafone...
i have upgraded the installer on my phone...
from then on my outgoing calls are not happenning...
while incoming is working fine...
i transfered my sim card to another phone..n it was working...
also when i tried some other sim card on my iphone it worked....
what does this mean....
is my phone locked...
pls help me...
i m in deep trouble...