Sn0wbreeze 2.4 beta 1 was released by iH8sn0w to jailbreak iPhone 4, iPhone 3GS, iPad, and iPod Touch running  iOS 4.3.1. You can simply Jailbreak Tethered by cooking custom firmware,Till now there is no untethered exploit founded which can completely Jailbreak the new iOS 4.3.x. This Beta got the Ultrasn0w fixed which was Broken on iOS 4.3.x.

 

This isn’t the final and the stable version of Sn0wbreeze 2.4, It is still in it’s Beta version, So stay away from it. This is for those who really want to Jailbreak on iOS 4.3.x or are on iOS 4.3.1 by Default or falsely Update to iOS 4.3.x.

Below are the Steps to Perform a Tethered Jailbreak on iOS 4.3.1

Steps to Follow:

Step 1:

First Download the files required to make the Custom IPSW.

Step 2:

Open Sn0wbreeze and read the Warnings carefully. Once you are done. Proceed next to select an IPSW.

Once you are done it will ask for your Boortom only for iPhone 3GS users. And remember iPhone 3GS owners with Old Bootrom which is MB Model, are Untethered on iOS 4.3.1.


Step 3:

When you have selected the bootrom now proceed Next. when you go Next it will show you 3 options.

Select the one you want. If want to preserve the baseband Select that option and Jump to Step#6.

If you rely on hacktivation and need to make some changes go for Expert Mode.Select Expert mode and proceed next.

If you click Simple Mode, So it will also ask for the Hacktivation in the end. If you rely on it so press yes other wise no.

Step 4:

When you will proceed next you will see options like this:

Select General and Process next.

When you will click next you will see many options like these:

If you rely on hacktivation, so Select it or else don’t and proceed next.

Step 5:

When you go next, so it will ask you for the iPad baseband for iPhone 3GS. This is a  new Feature added in Sn0wbreeze 2.4b1.

 

If you require iPad baseband which means if you are on 5.14+ baseband so then only tick the option or else leave it and Proceed next.

When you proceed next and see these options select Build.

Step 6:

Proceed next and the Custom Firmware cooking will start.

Step 7:

Once done you will be prompted with a message done.

 


Press ok and Follow the Instruction for the PWNED DFU mode and to avoid any kind of Error like (16xx-10xx)

Once into PWNED DFU mode open iTunes and Do a restore.To restore Press Shift+ Restore and select the Custom IPSW which was created on your Desktop.

Once done you will be Finally Jailbroken on iOS 4.3.1 and it will be Tethered.