USA AT&T iPhone 5C/5S

How to unlock iPhone permanently? Unlocking iPhone permanently is very easy . It is also safest and non-invasive method of unlocking your iPhone. We need only Your iPhone IMEI number to unlock it permanently.

Your iPhone IMEI number can be checked by typing *#06# or by pressing "i" on LCD. 
iPhone 3G, iPhone 3Gs, iPhone 4, iPhone 4S, iPhone 5, iPhone 5C or iPhone 5S on a permanent basis, Sim Locked not return after software update. Your iPhone will be unlocked even after each new update of Your iPhone firmware. Factory unlock is done through iTunes and Your iPhone IMEI will be registered as unlocked with Apple s servers. Thats why software updates will not re-lock Your iPhone.

How to unlock iPhone:

After receiving information about the fact that the IMEI has been saved to the database Apple, do as following: 
1. Connect your iPhone to your computer 
2. Launch iTunes 
3. information about available updates for your iPhone will shown, upload them 
4. iPhone is unlocked now
Sometimes necessary to change the software to the highest available version.