When I pointed out T-Mobile or ATT specific Sim, can I switch back and use Sprint-Sim, I need to connect to iTunes again to use the Sprint network again? I recommend it from repo.bingner. com, because older versions have a different interface and can not work for this purpose. 2. Enter SAM by either going through the settings menu or finding the SAMPrefs icon on your springboard. I got my iPhone for about a month and went to the official Apple store. I in Guatemala and they told me Apple would not even unlock the phone, even if I paid them, so do not waste your time, they real freaks. You can through tutorials below or if the depot for the software is more inclined to just lock the solutions (in the Compatibility section) and then install the package on the iPhone. Ich just thought you find this page useful if you need a code to Unlock your phone: It helped a lot and is highly recommended. Iphone 6 Blacklist Unlock more. Joint Pdf Files Software. Such users should try a legitimate IMEI unlock service to unlock iOS 6.1 firmware. Prerequisites Make sure the iPhone baseband mentioned above before continuing with Ultrasn0w free switching. Fortunately, you can now travel with unlocked iPhone to overseas all the amazing places in the world like Canada, Singapore, China and Japan visit restrictions. HubPages carrier and Hubbers (authors) can earn this page based on affiliated relationships and ads with partners such as Amazon, Google and others. I very excited about 3GS jailbreak at 4.0, I was stuck between a rock and a hard place - I have the old tribe, but I got the phone from a friend who has upgraded it so I pretty sure that I do not have the opportunity to downgrade, as it was not jailbroken before, so I stuck! Since I have here iPhone 4, 16g, sure I think O2 London, I lost Sim and I just happened it has been updated to iOS 7.1, how can I get it.