Jailbreak iPhone 3GS (New Bootrom), 3G, iOS 4.1 with Sn0wbreeze 2.0.2 [How to Guide]

Step 1: Download and install the latest version of iTunes.

Step 2: Now start iTunes and sync your iPhone with your PC so that it backs-up all your important data including settings, apps, music, contacts and photos.

Step 3: Download Sn0wbreeze 2.0.2 and the original iOS 4.1 firmware file (download links at the end of the page). Move all these to your desktop.

Step 4: Start Sn0wbreeze ( please note that when used Win Vista or Windows7 , you need to start your application in Administrator mode , by clicking the right mouse button on the icon and selecting "Run as administrator" ) and select “Expert Mode” for easy process, then click the blue arrow to contiue.

Step 5: Sn0wbreeze will ask you to locate the .ipsw original firmware file. Point to the correct iOS 4.1 file by clicking on “Browse” button. Sn0wbreeze will verify the selected file and then will present you with following screens.

Step 6: If you use iPhone 3GS (new bootroom) or iPod touch 3G, click on "General" then check “Use iBooty Method (3.1.2 Installation Required!)" , also you have to check “Activate The iPhone” if you are on unofficial carrier and want to hacktivate your phone by Sn0wbreeze. For iPhone 3G users you have to enable all choices as it add functions not added naively from Apple.

Step 7: Now select “Build IPSW” Sn0wbreeze will now create custom firmwares for your iPhone which is jailbroken, (Save it on your desktop).

Step 8: This step and step 9 are for iPhone 3G and iPod touch 2G (MB Model) only, otherwise bypass step 8 and 9,  Now Download iReb V4.0 (links at the end of the post) and make sure that iTunes is launched

Step 9: Launch iReb (to bypass iTunes errors) and choose “Online Mode” then choose your device

Step 10: Put your iPhone in DFU mode by following this step:

• Turn iPhone off.
• Hold Power and Home buttons together for 10 seconds or so.
• Release Power button but keep holding the Home button until your computer recognizes a new USB device.
• iTunes will now recognize your iPhone

Step 11: Now, You will have to restore your iPhone to the jailbroken custom firmware by Clicking on the iPhone icon on the left sidebar of iTunes then hold left “alt” button (“Shift” button on Windows) on the keyboard and then click on “Restore” then release the alt button, Now Select the custom firmware created by Sn0wbreeze and Let iTunes go in a bunch of steps.

Step 12: Sn0wbreeze doesn't upgrade your baseband and will never do, so you can use Ultrasn0w 1.0 to unlock your iPhone by following the step by step guide posted here.

Disclaimer: This guide is for testing & educational purposes only. Follow it on your own risk. I’m not responsible for any loss of important data or malfunctioning of your iPhone.

Update 1: Sn0wbreeze 2.0.1 has been released to fix iTunes Error 37 when restoring to custom iOS 4.1 firmware. The download link below has been updated for version 2.0.1.

Update 2: Sn0wbreeze has just been updated to version 2.0.2 to fix error 17, error 40 and Hactivation error, check the details posted here. The download link below has been updated for version 2.0.2.

Download iTunes 10 for Windows
Download iOS 4.1 for iPhone 3GS, 3G and iPod touch.
Download .NET Framework 3.5 (required to run Sn0wbreeze)
Download Sn0wbreeze 2.0.2 for Windows
Download iReb V4.0 for Windows

How to Jailbreak iPhone 4S / iPad 2 on 5.0 – 5.0.1 by Absinthe Windows

How to Jailbreak iPhone 4S and iPad 2 on iOS 5.0 – 5.0.1 by Absinthe Jailbreak for Windows, and it is UnTethered Jailbreak for both iPhone 4S and iPad 2.

If you are a MAC user follow Absinthe Jailbreak Mac Guide.
Note:
Before you continue make sure to do a backup of your device in iTunes as you may lose your Camera Roll during this process.

Step One
Download the latest version of Absinthe for Windows from here.
Step Two
Double click to extract the downloaded archive and launch the Absinthe application.

Step Three
As prompted, connect your iPhone 4S to the computer via USB. Make sure to remove any passcodes or VPN settings you’ve previously set.

Step Four
Click the Jailbreak button to begin
Step Five
The application will take you through several steps of the jailbreak: Sending initial data, waiting for reboot, waiting for device to finish booting, Preparing jailbreak data, and Sending payload data.
Step Six
You will be informed that the jailbreak is ‘Almost done’.

Step Seven
On your device, locate the Absinthe icon and press it to complete your jailbreak. It could be on any homescreen.

If the server is down and you get an Error establishing a database connection message then tap the Settings icon on your springboard and turn on VPN.

You will get a configuration error; however, after about a minute your device will reboot with Cydia on the Springboard!

Once Finished enjoy with a Jailbroken iPhone 4S and iPad 2 on iOS 5.0/5.0.1