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

How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [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 Mac.

This procedure will cause you to upgrade your baseband potentially ruining your chances for an unlock. Please follow this tutorial to update to iOS 5.1.1 using a custom ipsw if you need an unlock. It may be prudent 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 (Mac) [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 (Mac) [5.1.1]

Select your iPhone from the list of devices on the left. Now hold down Option 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 (Mac) [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 (Mac) [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.
How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [5.1.1]

Step Four
Once RedSn0w opens ensure your device is connected and click the Jailbreak button
How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [5.1.1]

You may be asked to select your jailbreak method. The preferred method is the DFU RAM Disk method. Click Yes to select that method.
How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [5.1.1]

Step Five
Turn OFF your device then click the Next button
How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [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 (Mac) [5.1.1]

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

Step Seven
Your iPhone will now reboot
How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [5.1.1]

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

Step Nine
Select Cydia from the list of options and click Next.
How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [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 (Mac) [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 (Mac) [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.
itayms - March 19, 2013 at 5:12pm
try this one, http://www.rapidunlockers.com/ I have unlocked my phone on very very fast (about 6 hours total) and cheap, now i can update to any version without having to worry that my phone will not be locked ever again. Only 9.99$ for phone unlocks!!!
jay patel - November 11, 2012 at 12:42pm
i just jailbreak iphone 4 version -5.1.1.(9b208) firmware 04.12.01 but i can't found any service (vodafone india) so what should i do?? reply must..
Dallon bush - May 15, 2012 at 5:59pm
Can you post how do do this on windows please ?
Ali - March 12, 2013 at 12:50pm
easy to jailbreak your iphone is by ( evasi0n ), so simple download the software, conect your iphone, open the evasi0n software and click on jailbreak.. in few second jailbreak complete without any problem or bulshit....! this is direct link try http://evasi0n.com/
Rabby - March 12, 2014 at 6:18am
Is possible to download apps through cydia
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