How to Jailbreak Your iPhone 3GS Using RedSn0w (Mac) [5.1.1]

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Posted June 18, 2012 at 8:35am by iClarified

These are instructions on how to jailbreak your iPhone 3GS on the iOS 5.1.1 firmware using RedSn0w for Mac.

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 3GS Using RedSn0w (Mac) [5.1.1]

Step Two: (Skip this step if you're on iOS 5.1.1 already)
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 5.1.1 firmware ipsw. Click the Choose button to continue.

iTunes will now update your iPhone to the new firmware.

Step Three
Launch the redsn0w application from the redsn0w folder we extracted earlier.

Step Four
Once RedSn0w opens click the Jailbreak button

You may be asked to choose between the DRU ramdisk method or the backup/restore method. Click Yes to use the DFU ramdisk method.

Tell RedSn0w whether you have a newer or older iPhone 3GS to continue.

Step Five
Plug your iPhone into the computer and make sure its OFF then click the Next button

Step Six
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 Seven
Your iPhone will now reboot

Step Eight
RedSn0w will prepare the jailbreak data.

Step Nine
Select Cydia from the list of options and click Next.

**IMPORTANT: If you want to upgrade to the iPad baseband then downgrade to 05.13 for unlock check Install iPad Baseband. YOU CAN ONLY DO THIS IF DIGITS 3-5 OF YOUR DEVICE'S SERIAL NUMBER ARE LESS THAN 134 (xx133).

Step Ten
Your iPhone will now be rebooted again and RedSn0w will begin uploading the new RAM Disk and Kernel.

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.

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

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Mellish - October 20, 2012 at 12:03pm

Awesome. The whole family gathered around to watch the tiny print iPhone bios boot... 'Wow!'.. Smart people!

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ahmed ezz - October 2, 2012 at 3:18pm

thanx for u

Dennis Hesselbarth - September 15, 2012 at 3:21am

Notice: If you have a locked phone from an Apple "supported carried" (eg: ATT) but you wish to jailbreak and unlock the phone for use on a "non-supported" carrier (eg: T-Mobile), you must get your hands on a SIM from the original supported carrier to successfully activate your phone during the iTunes restore. This is a new "feature" Apple has instituted. So find a friend on ATT and ask to borrow their SIM for 30 min. while you jailbreak to 5.1.1 and activate your phone. Then you can use UltrasnOw to unlock and use your "non supported" SIM.

Yarly Queiroz - July 13, 2012 at 8:57pm

How do i proceed with an 3GS old bootrom Custom 5.0.1 firmware? Do i need to generate a custom FW to keep my baseband and then, update it?

Tommy - July 13, 2012 at 8:32am

Is this jailbreak untethered? saw in may there will be untethered jailbreak for this 5.1.1. anyone know or experience?

alvent - July 6, 2012 at 5:59am

Hi, is this JB tethered for 3GS?

igbt88 - May 20, 2012 at 3:17pm

I jailbroke my iPhone 3GS with the latest resn0w yesterday. Since the jailbreak my screen is bluer than before! It's like the color profile for the monitor changed... but I didn't install any tweak or anything else for that purpose! How can I revert the colors to normal? Thank you! :)

sang6iru - May 18, 2012 at 1:30am

is that usefull since 10n1c said it's not gonna support on his untethred jb????

Lee - May 17, 2012 at 5:13pm

how about for Windows users? or is this just for Mac now?

Specialkcl - May 17, 2012 at 3:24pm

Works untethered on old Bootrom !!!!!! Just installed and tested!!!!!

Adam - May 17, 2012 at 3:34pm

How'd you do that?

Specialkcl - May 18, 2012 at 2:34am

Actually i had iOs 5.0 with tethered jailbreake, installed , so i thought maybe if i point redsn0w to the 5.1.1 ipsw and do an aditional jailbreak i would get to the update of the ios in the process, WRONG, the jailbreak at one point hung, so i waited until i ran out of battery, becouse nothing worked, no hard reset nothing. Once out of battery i pluged in my iphone, waited until i had enough charge, Everything booted normaly back into ios 5.0, so i decidet to do the update using the update option in itunes, onece i was on 5.1., strangly i still had the apps instaled through instaleuse (cracked apps) still installed but not working, obviously i had no jailbreak, so i just followed this jailbreak tutorial and everithing was back to normal, cydia installed and working, i also found that the cydia repositories that i had installed manualy where all still there and working as well as my aplications installed through cydia and MOST IMPORTANT Jailbrake untethered. Luck ??? i don´t know but thats what i did. Cheers

Adam - May 17, 2012 at 2:28pm

Just done this and it hasn't even installed Cydia? I've done this loads of times before with no problems?

Carl - April 24, 2012 at 12:42pm

Everytime the pineapple finishes and reboots I'm left with a apple logo for so long I don't know what to do please help

Arthur - May 17, 2012 at 6:06am

That's where you have to rerun the boot tethered option. You will always have to rerun the boot tethered when your phone is turned off in anyway.

Chris - April 9, 2012 at 2:50am

Can somebody please tell me why I'm getting "exploit failed" after the uploaded of stage 2 of the jailbreak? My baseband is 06.15.00 and it's an iPhone 3GS made week 34. Any answer would be appreciated as I've been trying to do this for fecking days now!

Tario70 - May 17, 2012 at 7:09am

Make sure you're creating a No Baseband version of the IPSW, then you want to boot into Pwned DFU, then use iTunes to restore to 5.1.1. then you should re-run redsn0w to jailbreak. I have no idea why you're getting the exploit failed message, but I know that iOS 5 & the iPad Baseband do not play nice at all.

Shawn - April 4, 2012 at 8:39am

New iPhone 3gs (5.1) owner and first time jailbreaking/unlocking. Everything works as described in the tutorial. I would just like to know if the jailbreak on this device will ever be untethered?

unixes - March 14, 2012 at 10:26am

After JB , no more GSM signal. Just ''searching...'' all the time, even without a SIM card inside. I'm on 06.15.00.

unixes - March 14, 2012 at 11:48pm

Finally fixed following this tutorial http://cydiablog.com/unlock-ios-5.1-iphone-4-3gs-ultrasn0w-fixer-for-5.1/

Chris Burroughs - April 9, 2012 at 2:21am

Easy fix mate, open Cydia, search for Ultrasnow Fix 5.1 install, then reinstall Ultrasnow, reboot, and bingo, your signal should be back. Now if anyone can tell me why I am getting "exploit failed" every time. I should mention my baseband is 06.15.00, is that affecting it?

laura - April 20, 2012 at 1:35pm

me pasa lo mismo.... =(

noelski08 - May 20, 2012 at 5:39am

Install ultrasnow fixer 5.1.1 first then install dev teams ultrasnow that supports baseband 6.15.00. then insert the sim card. You should have signal by then. at least its a temporary co'z it goes out sometimes.