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

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Posted May 6, 2011 at 1:58pm by iClarified

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.

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

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.

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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 .... =/

David Taylor - May 7, 2011 at 12:24pm

I have current 4.3.3 firmware on my iPhone 4. Do I need to perform the restore step with the .ipsw files or can I simply move straight to a jailbreak with redsn0w_mac_0.9.6rc15?

jjhex - May 7, 2011 at 12:07pm

What is the point of listing a new jailbreak and including comments that dont relate to it inn terms of currentness? I mean it came out last night and we have comments going back through several months. It makes no sense and now I have no signal after jailbreaking with pwnage, and im factory unlocked, then I jailbroke with rednsow and it didnt help, now I am factory restoring and will try again. This site used to actually care about the info it provided. Now it seems really sloppy like noone cares what the tutorials say. Sad state of affairs as one hacker after the other get high paying jobs with Apple to stop their work.

jace - May 6, 2011 at 6:33pm

do I need to make step two if I'm already on 4.3.3?

djdjek - April 27, 2011 at 8:16pm

Is it an untethered jailbreak?

LBarouf - April 23, 2011 at 1:19pm

Mine won't jailbreak. I run version 4.3.2, updated using the method explained above. I do not really care for unlock at this moment. I run baseband version 02.10.04. Right now, besides the faulty signal strength indicator (never show anything but 1 bar) everything runs fine on my phone. Once I try to run RedSn0w, it gives me an unexpected error. If I put it in DFU mode manually before running the tool, it says it's pushing limerain to the phone, then give me an unexpected error again. What is wrong? Anyone else running in the same error? thanks for any tips.

frustrated - May 27, 2011 at 5:31am

Dude, I have the exact same problem except I'm iOS 4.3.3. Really need some help ASAP. Please and thanx.

JSON - April 22, 2011 at 1:48pm

Anyone else cannot restore 4.3.2 on their phone? I'm trying to upgrade from 4.2.1 to 4.3.2 even if I try full restore from iTunes, or custom restore, or DFU, I always get a damn error 1013. Any ideas?

Az - April 23, 2011 at 5:34am

I have the same problem.. What do we do? Someone help..

JSON - April 23, 2011 at 9:56am

The weird part, is even damn tinyumbrella fix does not work, nor a full iTunes restore. Scary... I'm tempted to call apple care at this point, could they know the phone was jailbroken before? The phone won't even boot!!!

Dairel - April 23, 2011 at 10:25pm

check this out, it'll fix ya right up

JSON - April 23, 2011 at 10:49pm

Thanks Daniel, much appreciated. Unfortunately, my host file is backed up, and no entry to apple (I hate when software force name resolution). That didn't do it. To add a twist to the story, I have 2 iPhones. I plugged my older iPhone, and iTuns still complained that a phone in restore mode was connected! iTunes actually displayed 2 phones connected to my dismay. Something is definitely going on. Ghost connection? New Apple "security feature" ?

Andrew - April 21, 2011 at 3:34am

after jailbreaking i still have the no signal cosmetic issue, but afiter i install the ultrasn0w fix, my mms stopped working. Any fix for the fix lol?

CrazyMex - April 20, 2011 at 9:21pm

I tried restoring with the IPSW file and it keeps telling me iPhone could not be restored. tried restoring with iTunes and I get the same message. Now my phone is on restore mood and I can't get out of it.

Loi - April 21, 2011 at 4:52pm

* Open Finder * Hold down COMMAND + SHIFT keys and press G * Enter /private/etc/ in the field and press Go * Find hosts file in the directory * Drag the file to your desktop * Open it in text editor * Remove the line that has gs.apple.com entirely or put a # at the beginning of it to comment it out * Save the file * Drag it back to the /private/etc/ folder. * Youd need to enter your username and password to authenticate the move

Crazymex - April 21, 2011 at 7:40pm

Loi, I got all the way up to remove gs.apple.com and it does not allow me to save it. It gives me the following message. To view or change permissions, select the item in the Finder and choose File > Get Info. I chose info and changed the permissions but it still does not allow me to save the file. Any ideas. Thanks

Justin - April 20, 2011 at 4:14pm

After doing the JB I now have No Service, I have gone back to stock for now. Does anyone know why the JB works perfectly on some devices and not others?

Justin - April 20, 2011 at 4:36pm

I seemed to have fixed my own issue. Restored back to stock. Turned off sim pin and activated phone on Itunes. Then did Redsnow JB and restored last backup(Itunes sync) and now all working!

Kraig - April 20, 2011 at 2:02am

I can't get the IPSW to work at all. RedSn0w isn't recognizing it one bit.

joseph - April 19, 2011 at 7:49pm

I've done the jailbreak, but cannot get cellular network, I've already restore from my backup and still does not have the network ATT

paul - April 19, 2011 at 7:27pm

The WiFi issues are still there... and by issues i mean WiFi doesn't work

Drew - April 19, 2011 at 6:54pm

Does anyone know if this will work for the Verizon iPhone (version 4.2.7)? If not, any news when a jailbreak will be released for it?

rbs2000 - April 19, 2011 at 12:38pm

does the 4.3.2 updates ur baseband ? I am on 4.10.0 right now.. Not like I care I am on att . Thank you DEV TEAM you are awesome... You guys are making a=our devices worth having them,I just can't imagine an Iphone without a jailbreak,Its useless. Thank you

Jeff - April 19, 2011 at 12:38pm

Is there a way - if my iPhone has already been jailbroken - to just upgrade to the next version or does the JB process have to be done each time? Thanks. You guys do great work.

rabta69 - April 19, 2011 at 4:23pm

yes you need each time when u update to next ver.

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