How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

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These are instructions on how to jailbreak your iPhone 4 on the 5.1.1 firmware using RedSn0w for Windows. The Mac version of this tutorial is here.

Upgrading your iPhone to iOS 5.1.1 through iTunes will update your baseband, potential removing or ruining your chances for an unlock. Please follow this tutorial on how to update to iOS 5.1.1 using a custom ipsw if you need an unlock. Remember to save your SHSH Blobs by following this tutorial before continuing.

If you want to jailbreak a lower firmware version you can find the appropriate tutorial here.

Step One
Create a folder on your desktop called Pwnage

Download the latest version of RedSn0w from here and place it in the Pwnage folder. Likewise, download the 5.1.1 firmware from here and place it in the Pwnage folder. (Note: you do not need to download the 5.1.1 firmware if you are already on iOS 5.1.1)

Extract the RedSn0w zip file by double clicking it.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Two: (You can skip this step if iOS 5.1.1 is already installed on your device)
Connect your iPhone to the computer and launch iTunes.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Select your iPhone from the list of devices on the left. Now hold down Shift and click the Restore button. Restore is preferred as it won't create any wasted space on your iPhone.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Navigate to the Pwnage folder on your desktop and select the 5.1.1 firmware ipsw. Click the Choose button to continue.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

iTunes will now update your iPhone to the new firmware.

Step Three
Launch the redsn0w application from the redsn0w folder we extracted earlier. You can do this by right clicking the executable and selecting Run as Administrator contextual menu.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Four
Once RedSn0w opens click the Jailbreak button
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

You may be asked to choose between the DRU ramdisk method or the backup/restore method. Click Yes to use the DFU ramdisk method.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Five
Plug your iPhone into the computer and make sure its OFF then click the Next button
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Six
RedSn0w will now guide you through the steps to get into DFU mode. You can find more help with DFU mode here
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Hold down both the Home button and the Power button for 10 seconds.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Release the Power button and continue holding the Home button until RedSn0w detects the device.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Seven
Your iPhone will now be exploited with limera1n and reboot
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Eight
RedSn0w will now prepare the jailbreak data.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Nine
Select Cydia from the list of options and click Next.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Ten
Your iPhone will now be rebooted again and RedSn0w will begin uploading the new RAM Disk and Kernel.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]

Step Eleven
Once this is complete you will be notified that RedSn0w is done. When your iPhone finishes rebooting (5 minutes or so) it will be jailbroken with Cydia on the SpringBoard.
How to Jailbreak Your iPhone 4 Using RedSn0w (Windows) [5.1.1]


*As usual a big thanks to the iPhone Dev-Team, Chronic Dev-Team, and Geohot for their hard work and contribution to the iPhone community.
jaiganesh - October 31, 2013 at 4:10pm
i am using iphone 4 japan which was jailbreak by redshow and i update latest ios 7.0.2 then mobile ask about insert sim card, i do no what to da ,i want to jailbreak new ios or old ios help me
althea - July 8, 2013 at 10:47am
hi my iphone4 locked from japan can i jailbreak it using redsnow? version is 4.2.1 modem firmware is 03.10.01 storage 16 gb. Thank you
althea - July 8, 2013 at 10:43am
hi im from philippines i have my iphone4 4.2.1 locke from japan can i unlocked this version is 4.2.1 modem firmware is 03.10.01 storage 16 gb. thank you
Tom Ramph - April 24, 2013 at 7:46pm
QUICKEST & EASIEST WAY TO JAILBREAK http://jailbreakdownload.weebly.com DOWNLOAD THE COMPLETE JAILBREAK PACKAGE
ReutM - April 24, 2013 at 8:09am
try this one, http://www.rapidunlockers.com/ . I have unlocked my phone there. very fast service (about 6 hours total) and cheap, now i can update to any version without having to worry that my phone will be locked ever again! Only 9.99 for phone unlocks!
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