The Gevey team introduces Gevey SIM Interposer, a small chip to unlock iPhone 4 on 02.10.04,03.10.01 Baseband and iOS 4.1, 4.2.1 , 4.3, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5 . This reminds me of the good old TurboSIM days, a popular method for unlocking iPhone 2G in 2008.
Well, Today Gevey SIM card has just released Ultra SIM which will unlock iPhone 4 without dialing maunally 112, yeah that’s great This method of unlocking was detailed by Laforet in a recent blog post. Depending on your location, calling 112, even for a split second, could be illegal.
CutYourSim service they claims permanently Unlock solution your iPhone 4, 3GS, 3G any baseband version with three simple steps without the requiring or waiting to unlocking your GSM device. They offering $169.99 to permanent unlocks any iPhone carrier remotely.