How to Jailbreak Your iPhone 4 Using RedSn0w (Mac) [4.3.3]

Posted May 6, 2011 at 1:58pm by iClarified | Please help us and submit a translation by clicking here | 312118 views
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These are instructions on how to jailbreak your iPhone 4 on the 4.3.3 firmware using RedSn0w for Mac. You can find the Windows version of this tutorial here.

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

Make sure not to update to iOS 4.3.3 if you need an unlock as one is not yet available!

Step One
Create a folder on your desktop called Pwnage

Download RedSn0w from here and place it in the Pwnage folder. Likewise, download the latest 4.3.3 firmware from below and place it in the same folder.

4.3.3 (4 GSM): iPhone3,1_4.3.3_8J2_Restore.ipsw

Extract the RedSn0w zip file by double clicking it.


Step Two
Connect your iPhone to the computer and launch iTunes.


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.


Navigate to the Pwnage folder on your desktop and select the 4.3.3 firmware ipsw. Click the Choose button to continue.


Step Three
Once iTunes has finished updating your iPhone to the desired firmware open the Pwnage folder on your desktop and launch the redsn0w application from the redsn0w folder we extracted earlier.


Step Four
Once RedSn0w opens click the Browse button


Step Five
Select the 4.3.3 firmware ipsw we placed in the Pwnage folder on our desktop then click Open.


Step Six
Once the firmware has been verified click the Next button to continue.


Step Seven
RedSn0w will now prepare the jailbreak data


Step Eight
From this window you can select the jailbreak options you would like.


Make sure Cydia is selected and click the Next button to continue

Step Nine
Please plug your iPhone into the computer and make sure its OFF then click the Next button


Step Ten
RedSn0w will now guide you through the steps to get into DFU mode. You can find more help with DFU mode here


Hold down both the Home button and the Power button for 10 seconds.


Release the Power button and continue holding the Home button until RedSn0w detects the device.


Step Eleven
Your iPhone will now reboot


Step Twelve
RedSn0w will then begin uploading the new RAM Disk and Kernel.


Step Thirteen
Once this is complete you will be notified that RedSn0w is done. Click the Finish button. When your iPhone finishes rebooting (5 minutes or so) it will be jailbroken with Cydia on the SpringBoard.


*As usual a big thanks to the iPhone Dev-Team and I0n1c for their hard work and contribution to the iPhone community.

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pc - August 27, 2011 at 2:11am
will i have to backup my phone first? or the data will remain after the jailbreak? thanks very much.
zuhl - May 17, 2011 at 11:55pm
RedSnow saved my bricked iPhone 4. Thank you guys!
eteractive - May 15, 2011 at 11:48am
is 4.3.3 stable? will it still cause battery drainage? thanks!
PHANTOM - May 13, 2011 at 4:50pm
Hey. I really need help from experts. I bought an Iphone 4 which was used on AT&T and now I want to use it with another carrier. It has 4.1.0 software and 2.10.04 version. The question is: Is it possible to unlock (redsnow) my phone jailbreaking it to 4.3.3 using the custom file of this tutorial. Thank you very much in advance.
Mark - May 13, 2011 at 4:24pm
There is no .ipsw file to download... there is a 600+MB .zip file with no .ipsw files on it... Redsnow wont recognize any of those .... =/
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