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How To Unlock iPhone 3GS With Ultrasn0w 1.2.5

After the release of iOS 5.0.1 Untethered Jailbreak the developer of famous unlocking software Ultrasn0w has also updated their unlocking softwre to bring support for iOS 5.0.1 firmware.The version number for the updated Ultrasn0w is 1.2.5 and support following baseband;

  • 06.15.00
  • 01.59.00
  • 04.26.08
  • 05.11.07
  • 05.12.01
  • 05.13.04

 How To Unlock iPhone With Ultrasn0w 1.2.5 After iOS 5.0.1 Untethered Jailbreak 

Ultrasn0w unlock (version 1.2.5)

 STEP 1: First of all you need to jailbreak your iPhone on latest iOS firmwre which is iOS 5.0.1.Here is step by step guide to jailbreak Untethered on iOS 5.0.1 firmwre.

STEP 2: Once you have done jailbreak process then go to the Cydia>Sources>Edit>Add.

STEP 3:  Now add the following repository: “” to Cydia Resources.

STEP 4: After installing the repository, search for Ultrasn0w and download its package and install it.

STEP 5: After installing Ultrasn0w 1.2.5 on your iPhone, restart you iPhone and congrats you have successfully unlocked  your iPhone on iOS 5.0.1 firmware.