I have a Iphone 4s, and I jailbroke it yesterday with Absinthe. And afterwards I tried to install ultrasn0w and it installed it halfway with some errors. I tried to unlock my phone afterwards with SAM and for some reason it's not working right.
Can anybody help me out, how to unlock my At&T sim, I am in Afghanistan currently and want to use the carrier Roshan until I get back. My phone is showing that I have receptions, but I can't call anybody.