How to Jailbreak iOS 4.3.3 and iOS 4.2.8 ,Verizon 4.2.8 with Sn0wbreeze

Looks like iPhone hackers are always a step ahead of Apple when it comes to Jailbreak and Unlock. Recently released iOS 4.3.3 and Verizon iPhone 4 iOS 4.2.8 has been Jailbreaked successfully by the Dev-Team and iH8sn0w. So if you rely on an Carrier Unlock but still wants to update, you can use Sn0wbreeze which can preserve your unlock and also Jailbreak iOS 4.3.3. This is a complete Untethered Jailbreak so no need to worry about losing it anytime.

For those who want to know how these hackers achieve such quick unlock and jailbreaks for Apple iOS. The untethered exploit found by ion1c (Stefan Esser) is still working and Apple is not looking to patch it or may be its unpatchable. There is no major change in iOS 4.3.3 from iOS 4.3.2 but if you still want to upgrade, use the following guide below to Preserve your Carrier Unlock and Jailbreak iOS 4.3.3
[Update 1: Video Guide for Jailbreak iOS 4.3.3 using Redsn0w added at the bottom of this post.]
Requirements:

• Sn0wbreeze (Click here to download)
• iOS 4.3.3 or 4.2.8 for Verizon users (Click here to download)
• Latest iTunes (Click here to download)

How to Jailbreak iOS 4.3.3 and iOS 4.2.8
Step 1:
Run Sn0wbreeze and follow the onscreen instructions.

Step 2:
Sn0wbreeze will ask you to browse for the iOS 4.3.3 IPSW file which you have downloaded.

Sn0wbreeze will identify the firmware file and show the message when successful

Step 3:
Now select “Expert Mode” and click on the Next Arrow.

Select “Build IPSW” and click on the Next Arrow

Sn0wbreeze will run several processes to create the Custom Firmware file. Be patient and wait for it to finish.

You will see the DONE message when the Build process is completed.

Step 4:
Now you need to put your device in DFU mode. Follow the onscreen instructions.

• Hold Power and Home buttons for 10 seconds
• Now release the Power button but continue holding the Home button for 10 more seconds
• You device should now be in DFU mode

When you have entered your device in DFU mode, Sn0wbreeze will show the following screens.

Step 5:
Do not close Sn0wbreeze, keep it running . Now open iTunes we need to restore the Custom iOS 4.3.3 Firmware on the device.
We need to restore it manually by holding left “Shift” key on keyboard and click on “Restore” in iTunes.
This will open file browser to select the iOS file. Select the Custom IPSW file created on the Desktop by Sn0wbreeze and click on “Open“.

Now sit back, iTunes will update your iPhone 4 to latest iOS 4.3.3 with Untethered Jailbreak and Preserved Unlocked.
A big Shout-out to Stefan Esser, iH8sn0w and the Dev-Team !
Jailbreak iOS 4.3.3 with Redsn0w Video Guide by DinoD7