While Apple company releases iOS 7 betas there still many iPhone users running iOS 6.1.3 and looking to unlock it. The next step is to explain to you about the iOS 6.1.3 unlocking of iPhone 4S, 4, 3GS and 5. as well as pertinent basebands information and facts. Here, we’re intending to cover a lot of unlocks who have been released up to now. Most of the terms include SAM unlock, R-SIM, ultrasn0w, Gevey SIM and company unlock method for iOS 6.1.3.
 
Gevey SIM Unlocking
 
These users who use such hardware unlocks are usually in tough success, for the reason that once they’re about to upgrade your device to iOS 7, it will be locked again because baseband will be upgraded too. The reason is that this baseband can’t be maintained which describe why the actual software unlocking is simply not advantageous with iOS 7 and iOS 6.1.3.
The same situation is with X-Sim, Turbo Sim, R-Sim and all others hardware (Sim) unlock methods because they all depend on the baseband type. With iOS 6.1 release Apple updated modem firmware and blocked any Sim unlocking method. So if you still using one of it don’t update your device to the newer iOS. If you have already updated your system only factory unlock will help.
 
Unlock iPhone iOS 6.1.3 Using Ultrasn0w
 
Only iPhone 4, 3GS with the old baseband can be unlocked using Ultrasn0w jailbreak tweak. As well as Gevey Sim this solution depends on iPhone baseband. Go to Settings - General - About and check modem firmware. If it would be one of 01.59.00; 04.26.08; 05.11.07; 05.13.01; 05.12.01; 06.15.00 your iPhone can be unlocked with this tools after jailbreak.
 
SAM iOS 6.1.3 Unlocking
SAM unlocking is working only for those who actually saved activation tickets. If yes, you can enjoy the SIM-free device for long periods. However, they can't update to iOS 6.1.3, otherwise your device will be re-locked. The true reason for this is definitely there is absolutely no jailbreak available to the said firmware, only tethered and only for iPhone 4, 4S.
 
 
The untethered jailbreak permits SAM users for manually restoration this activation tickets that had been duplicated or just they often use ultrasn0w for the exact purpose. We advise you guys to wait for only a jailbreak group to exploit this software just before you upgrade to iOS 6.1.3 and higher.
Official Unlocking Using IMEI of iOS 6.1.3 iPhone
One of the best as well as most viable procedure remains the factory unlocking IMEI code approach. It’s a solution that will stay with you for all your life and then you don’t really need to unlock iPhone again after iOS update or switching to other Sim card. Just insert any Sim card and enjoy anywhere. The device can certainly be updated to iOS 7 because your actual cell phone will actually be SIM free and do not worry about baseband updates.
 
There are several companies claiming they'll supply you with the same value when the factory unlocking solution actually does, that's not possible, only trusted, official and legit company is definitely effective and additionally trust deserving: http://letsunlockiphone5.com/
 
Thousands users of previously locked iPhones now can enjoy any Sim card around the world! Be that one too!