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iOS 4.3.1 Jailbreak With Ultrasn0w 1.2.1 Unlock Released with No Signal Bar Fix

iOS 4.3.1 Jailbreak With Ultrasn0w 1.2.1 Unlock Released with No Signal Bar Fix

The iPhone Dev Team has finally released the iOS 4.3.1 Jailbreak With Ultrasn0w 1.2.1. Get your iphone 4 and iPad unlocked with the quick iOS 4.3.1 Jailbreak from Ultrasn0w 1.2.1, A lot of people are waiting for this because most of the iPhone 4, 3GS and iTouch under the old basebands (01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00) are supported with this iOS 4.3.1 Jailbreak, including the signal issues that were reported to be caused by some earlier iOS 4.3.1 Jailbreaks. A new 4.3.1 compatibility fix has been added for ultrasnow to make Cydia working without problems.

We have the full guide on how to go through with this iOS 4.3.1 Jailbreak With Ultrasn0w 1.2.1 Unlock Released with No Signal Bar Fix.

Before planning to do this iOS 4.3.1 jailbreak, you must make sure to understand how to get 4.3.1 using a custom IPSW that does not update your baseband. This iOS 4.3.1 Jailbreak With Ultrasn0w 1.2.1 simply allows previous users to update into FW 4.3.1 withough changing their old basebands.

Note: AFTER INSTALLING ULTRASN0W 1.2.1, PLEASE REBOOT YOUR iPHONE using the normal “slide to power off” swipe. T-Mobile users in the USA also should disable 3G mode in Settings->General->Network.

Step 1:
You have to jailbreak your iPhone 4 / 3GS on iOS 4.3.1 with preserving your old baseband, follow this guide (PwnageTool for Mac) of this guide (Sn0wbreeze Windows)
Step 2:
Once you jailbreak yoour device, you can now unlock your iPhone 4 / 3GS with Ultrasn0w 1.2.1 from Cydia. To do so, follow the steps below:
* Press to launch Cydia Installer from your SpringBoard.
* Press to select the Manage tab at the bottom of the screen.
* Press to select the Sources button.
Step 3:
Now touch on Edit and then on Add. You will be prompted to enter the URL of the source. Type http://repo666.ultrasn0w.com and touch on Add Source to add this repository.
Cydia will now automatically update your sources by following a series of automated steps.

Step 4:
After installation is completed. Search for “ultrasn0w 1.2.1” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier.

Step 5:
Almost done, now simply reboot your iPhone and you should have a fully unlocked iPhone 3GS / 4 on iOS 4.3.1.

Try it out this iOS 4.3.1 Jailbreak With Ultrasn0w 1.2.1 and see if it works for you. Enjoy!

[Thanks: http://3anime.com]

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