So i've been reading post from this forums and other sites, but I haven't been able to find a straight answer for my and some other users question. So here it is: Can I, with AnySim or any other software unlock program change SIM cards from any carrier as I please with out having to do anything else other than removing one card and installing the other? In my perticular case as my phone sits right now: ATT activated (using itunes since august) week 32, updated to 1.1.2, downgraded to 1.1.1 firmware and 04.01.13_G baseband, jailbroken last week. I ran anysim with my att card inside with no issues, but when I put in any other sim I get "different sim..must connect to Itunes" or something to that effect. I've read some post regarding "lockdown files" but it wasnt very clear. I've also read about a feature for Idemocracy, under "non ATT tools". I downloaded (Idemocracy 2.0) it but under that tab I only found features to downgrade or to revirginize. I also read other threads saying that I must run Anysim with another SIM card other than the ATT one to get it to work, I did and no luck. Anysim said it "could not unlock phone" and I should restart my phone. Just incase any one is wondering why I want to be able to do is, its because a travel international alot and I'm tired of paying $250-$300 a month for roaming and texting with att and want to use local cards. Thanks for the help!