How To Unlock your Iphone :In this process you can unlock Iphone 3Gs or lower and this firmware version 04.26.08, 05.11.07, 05.12.01, 05.13.04, 06.15.00. To Check Firmware go to Setting > General > About.Then you have to JailBreak Of your Phone.How to JailBreak of Iphone see from here .
After Jailbreak Follow this steps:
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| Here I add a image during unlocking my Iphone
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** Go To Apps.** You Can See "Cydia" Named Software. Just Enter It.** In Cydia go to search and type "Ultrasn"** There a file shown with a setting icon named "ultrasn0w"** Wait for loading this.** Then install it by clicking on "Install"** After completing Install Restart Springboard or Respring Your Iphone.** That's All your Iphone is unlocked. To check it insert a SIM
And Your Iphone is Unlocked.
