How To: Jailbreak iPhone 4, iPhone 3GS On iOS 5.1.1 With RedSn0w 0.9.10b8b [Windows]

It’s that time again when Apple has released a new firmware and Jailbreakers are desperately trying to figure out whether they should update or not. In the case of the iOS 5.1.1 firmware you should not update until we at least get word that Pod2G’s iOS 5.1 untethered exploit will work on it. If you have accidentally updated to the iOS 5.1.1 firmware however, you will be glad to know that you can indeed Jailbreak iOS 5.1.1 tethered on your iPhone 4 or iPhone 3GS using the latest version of RedSn0w. Thus, in this how to guide you will learn how to Jailbreak your iPhone 4 or iPhone 3GS tethered on iOS 5.1.1 using the Windows version of RedSn0w 0.9.10b8b.

Jailbreak iPhone 4, 3GS iOS 5.1.1 Windows

Step 1) – The first thing you will need to do is download the latest version of RedSn0w, which at the time of writing this how to guide is RedSn0w 0.9.10b8b. You can download RedSn0w 0.9.10b8b from the iJailbreak Downloads Section by clicking here or from the direct link below:

Download RedSn0w 0.9.10b8b (Windows)

Step 2) – Once you have downloaded RedSn0w you will need to extract it by right clicking on the redsn0w_win_0.9.10b8b.zip and click the extract to folder option.

When RedSn0w has been extracted find the redsn0w.exe file, right click on it and click the Run as administrator option (if applicable).

Step 3) – With RedSn0w running you will need to click the Jailbreak button.

Step 4) – After clicking the Jailbreak button you will come to a screen where you will need to put your iPhone into DFU mode.

Read through and follow the instructions presented to you which is to plug in and power off your iPhone and then click the next button when you are ready to begin the DFU mode process.

Step 5) – When you click the next button you will need to follow the instructions presented to you in real-time to put your iPhone into DFU mode.

• Hold down Power (corner) button for 5 seconds.
• Without releasing the Power button, also hold down the Home (bottom center) button along with the Power button for 10 seconds.
• Without releasing the home button, stop holding down the power button for up to 15 seconds.

Step 6) – After you successfully enter DFU mode RedSn0w 0.9.10b8b will begin preparing your iPhone for the Jailbreak.

Step 7) – Once RedSn0w has finished preparing your iPhone for the Jailbreak you will be asked you to specify options to go along with your Jailbreak. The only option that you actually need to make sure is checked is the Install Cydia option. Once you have ensured this option is checked, and any other options you may want, click the Next button.

Step 8 ) – After you have specified your Jailbreak options you can click the next button and RedSn0w 0.9.10b8b will begin jailbreaking your iPhone. DO NOT interrupt or use the computer during this time. When your iPhone is finished being jailbroken it will boot up with the Apple logo and not go any further. This is because you have a tethered Jailbreak and you will need to put your iPhone back in DFU mode and use RedSn0w 0.9.10b8b to boot it back into a functional and Jailbroken state.

Step 9) – As explained previously when you Jailbreak your iPhone tethered you will need to plug it into your computer every time your iPhone loses power to regain all functionality. Thus, to reboot your iPhone into a functional and Jailbroken state you will need to launch RedSn0w again, click the Extras Button > then click the Just boot button and you will simply need to put your iPhone into DFU mode again.

Congrats! You should now have a Jailbroken iPhone 4 or iPhone 3GS running the iOS 5.1.1 firmware. For more tutorials visit the How To Jailbreak Section. Leave any questions in the comments.