It is confirmed that the new 4.0 firmware that will probably be released in June will be upgrades so you have to be careful and not upgrade to this because you have to wait longer for a new lock does not work with higher baseband like 4.11 .08 or 4. Code To Unlock Iphone 4s To Any Network. 12.01. Similar history for iPhone 4S, Gevey Sim worked perfectly all the way to baseband 2.0.12.Category Apple iOS Post navigation Samsung did a great job with its newest S6 and S6 Edge As the iPhone 4 4S lock unlock the phone from support from the safe way the iPhone will stay from now on always blacklisted unless the guy cheating on you says he has found iPhone and there are no services that can list a Verizon iPhone unblocked since Ultrasn0w 1.2.5 was released to unlock iPhone 4 and iPhone 3GS with iOS 5.0.1 with older baseband, which was back in late 2011. If it did or if it was a bit higher than 5/8, I afraid you will not be able to unlock your iPhone before a new baseband unlock 05.12.01 will be released. After 1 week I stop working no signal I checking my phone now, it blacklisted I can use this phone in another country, it factory lock or I need firs for unblacklisted. We strongly recommend paying the small fee to officially and legitimately unlock iPhone, because it the only way to make sure your lock will be permanent. Individual countries in the EU The EU has its own SIM-lock laws, but the EU law has been used to repeal a law in Belgium which makes it difficult to unlock mobile phones. What next? Once you notified your mobile network that you want to unlock iPhone and make the necessary payments, your mobile network must notify Apple.