Unlock iPhone unlock updated to support iOS 7

Super snow Ultrasn0w unlock updated to support iOS 5.1.1 1.2.7

Note: iPhone 4/3GS iOS 5.0.1 firmware want more than to unlock this tutorial, you must first install Ultrasn0w Fixer (Click to view detailed tutorial), and then install over the snow through the tutorial to unlock.

Note: Because there is not yet for iOS 4.1 unlock tool, so please do not lock version users upgrade! iOS4.0.0/4.0.1 firmware available

This tutorial applies to: through the brush custom firmware, firmware upgrade, while the baseband stay in 01.59.00 \ 04.26.08 \ 05.11.07 \ 05.13.01 \ 05.12.01 \ 06.15.00 users, and the firmware version in iOS 4.1 the following user. But those who updated the firmware update while careless baseband iPhone users have a lock can not be unlocked through the tutorial, only by way of SAM card affixed to unlock or unlock.

Tip: Ultra Snow 1.2.7 is still no new baseband support. iPhone4 such a lock equipment upgrades iOS5.1.1 still need to use tools to remove the baseband custom firmware upgrade (or else become brick).
This tutorial describes how to use ultrasn0w to unlock your iPhone 4, so your iPhone 4 can use any network operator's SIM card. This tutorial is suitable for iPhone 4 baseband 01.59; iPhone 3G/3GS baseband 04.26.08,05.11.07,05.12.01 and 05.13.04.
ultrasn0w to unlock iPhone 4 baseband including 01.59; iPhone 3G/3GS baseband 04.26.08, 05.11.07, 05.12.01, or 05.13.04, including all whole series baseband. (Click to jump iPhone Baseband query tutorial)
During the following to unlock your iPhone 4 operation must have escaped over (Click here to view iPhone 4 jailbreak tutorial)

This article provides two methods to unlock, if you are familiar with Cydia installed operating a press method to achieve ultrasn0w unlock, if you did not install Cydia on iPhone or unfamiliar Cydia operation, then you can install 91 mobile assistant PXL version of ultrasn0w to achieve iPhone 4 unlocked.
Method One:

1) Press the iPhone home screen "Cydia" icon button to launch Cydia program (if you start Cydia occurs when Reorganizing prompted, please wait patiently until the file migration is complete, do not operate in this process, your iPhone, or it may circumstances or cause loss of programs, migration file is usually completed 

in about 5 minutes)

2) Select "Manage" button to enter the Management tab

3) Select the "Sources" button to enter the Cydia source management interface

4) If the ultrasn0w source address is already in the source list then skip to step 9, otherwise follow the steps to add ultrasn0w source address, click on the top right corner of the "Edit" button

5) Press the "Add" button

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