How to Perform an Untethered Jailbreak of Your iPhone 4 (Mac) [5.0.1]

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Posted December 27, 2011 at 12:10pm by iClarified

These are instructions on how to perform an untethered jailbreak of your iPhone 4 on 5.0.1 using RedSn0w for Mac. The Windows version of this tutorial here.

This procedure will cause you to upgrade your baseband potentially ruining your chances for an unlock. Please follow a tutorial on how to update to iOS 5.0.1 using a custom ipsw if you need an unlock.

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 RedSn0w from here and place it in the Pwnage folder. Likewise, download the 5.0.1 firmware from here and place it in the Pwnage folder. (Note: you do not need to download the 5.0.1 firmware if you are already on iOS 5.0.1)

Extract the RedSn0w zip file by double clicking it.

How to Perform an Untethered Jailbreak of Your iPhone 4 (Mac) [5.0.1]

Step Two: (You can skip this step if iOS 5.0.1 is already installed on your device)
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 5.0.1 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

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 now prepare the jailbreak data.

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

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, pod2g, and Geohot for their hard work and contribution to the iPhone community.

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Tiffany - April 24, 2012 at 12:46pm

Hi I'm getting ready to try this jailbreak on an iPhone 4 running 5.0.1. I just wanted to know if any of the problems have been fixed before I do so. I read all the previous comments and there seemed to be quite a few bugs. Have they been fixed and is it ok to try this jailbreak. I'm having issues with my old jailbreak. How do I remove that one so that I can jailbreak with this one. Thank you Tiffany

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Vee - April 3, 2012 at 11:58am

I have jailbroke my phone a week ago and yesterday begin noticing that my text messages wasn't popping up in the conversation as they did before, I had to close it out and then reopen. Now My phone won't access the Cydia app, my emails or allow me access to the web. If possible can someone please assist me with this

weberic3 - March 20, 2012 at 10:04pm

Hi, quick question about the tutorial link for the custom IPSW (for unlocking). That link says the jailbreak without BB upgrade would be tethered, but this tutorial here says the unlock will be untethered. I'm about to buy a 4 on ios 4.0 and bb 1.59 and i'm trying to figure out how much i should upgrade the software\firmware to. thanks!

weberic3 - March 20, 2012 at 10:11pm

sorry for the double post (did i say I'm a newb?!)

Eric - March 20, 2012 at 2:49am

Hi, quick question about the tutorial link for the custom IPSW (for unlocking). That link says the jailbreak without BB upgrade would be tethered, but this tutorial says the unlock will be untethered. I'm about to buy a 4 on ios 4.0 and bb 1.59 and i'm trying to figure out how much i should upgrade the software\firmware to. thanks!

Beto - January 22, 2012 at 4:32am

HI there! I upgraded my iPhone 4 to iOS 5.0.1 and jailbreaked and Unlockedit with redsn0w. This iPhone has the 01.59.00 BR. I don't know if this is a problem with Ultrasn0w or where but: I don't get the 3G network working. The 3G network also doesn't allow me to send MMS, broken Voice Mail shortcut, 3G data not working and any service related with it, like: FaceTime, iMesssage, Find my iPhone, etc. Everything else works fine. I changed the SIM card, I reinstalled everything again and nothing happens. I don't know what I'. doing wrong. Any advice?? Cheers

Rico - January 12, 2012 at 2:29pm

This Working fine.. that.. my iPhone with iOS 5.0.1 is untethered jailbreak now.. without any error.. Thanks

xMomoirox - January 5, 2012 at 11:58am

iPhone 4 - Updated to iOS5 using iTunes 10.5, firmware is 4.11.08 and jailbroken using RedSn0w. Encountering problems with apps crashing. I practically cant utilize my phone. I would appreciate if anyone could help me fix this problem. Thank you in advance.

Andrew - January 4, 2012 at 8:10pm

Does this jailbreak cause IBooks to not work? My IBooks doesnt work any more.

Taxman Firm - January 4, 2012 at 8:31pm

I think so. My ibooks dosent work either.

Andrew - January 4, 2012 at 8:36pm

Is there a fix to make IBooks work again?

Paresh - January 3, 2012 at 12:28pm

In Steph 9 : if I select "Enable Multitask Guesture" along with "Iinstall Cydia", would it give any problem? Actully I also want to enable multitask Guesture. So just wanted to know that lasted version of redsn0w suppirt this along with jailbreak?

ahmed siyam - January 1, 2012 at 3:01pm

i have iphone 4 factory unlocked 8 gb 5.0.1 modem firmware : 04.11.08 will this jailbreak cause to lose anything such as gps or WiFi if i updated the bb ?

Brad - December 30, 2011 at 5:58am

Please help. I updated my iPhone 4 from 5.0 to 5.0.1 via the Software Update on the iPhone. I'm not concerned about the baseband and unlocking as I've already had my mobile carrier unlock the iPhone. Anyway, with the iPhone already at iOS 5.0.1 I've downloaded the latest version of Redsn0w and followed the steps exactly (skipping the steps to upgrade to iOS 5.0.1 as it says). I've launched Redsn0w, clicked Jailbreak, put my iPhone into DFU mode and it starts to prepare the jailbreak and then prompts that the IPSW is needed...?? The tutorial specifically states that you do not need to download the 5.0.1 firmware if you are already on iOS 5.0.1 which I am. What am I doing wrong?

Jack R. Kunkel - January 18, 2012 at 2:43am

I'm having exactly the same problem. I tried twice plus I followed instructions to manually select isp* and files came up on my computer but nothing related to that. Do I need to reload 5.01? Any help is appreciated.

Hova3399 - December 29, 2011 at 11:38pm

Since I'm new to this and it probably has been answered already I was wondering if I can unlock my iPhone 4g. It is w AT&T.. And currently has version 5.0.1. Modem firmware 04.11.08..... I got the phone from apple w these settings. Thank you in advance.

Mojo - January 4, 2012 at 11:09am

no way for now. the baseband is too new and can not be downgraded. either sell this phone and exchange for an iPhone 4 has baseband 04.11.01 or lower, like 03.10.01, jailbreak it, use Gevey; or wait for few more months and see if there is any new methods come out, and remember, never upgrade your iPhone! (unless do it with customized firmware)

LRAN - December 29, 2011 at 3:01pm

I did the jailbreak on is 5.0.1 and it worked but none of my apps will open up, they load and automatically shut down, any ideas why or how to fix it???

lee - December 29, 2011 at 3:02am

cydia keeps on crashing each time :- 1) push the about button 2) try to add source 3) tap on the spotlight search area on the search tab is it just me or what

mojo - January 4, 2012 at 11:11am

i experienced the same thing. so far the best way is making a customized firmware with cydia bundled by using pwnagetools. redsnow has bugs.

lee - January 4, 2012 at 11:18am

managed to solve the problem after trying this. dont know about other methods. Cydia crash 1. Connect the jailbroken idevice to your computer, run iFunbox or other files manger, and use its file management capabilities navigate into the /private/var/mobile/Library directory, copy the Keyboard folder to your computer desktop. 2. Go to /private/var/root/Library directory, upload just saved Keyboard directory to this folder. 3. Reboot the device, then back into Cydia, the crash issue fixed.

bloodyfool0 - January 8, 2012 at 8:55am

Thanks, works like a charm lee.

Mani - December 28, 2011 at 7:31pm

All worked fine. iPhone 4, retained BB 3.10.01 using gevey sim. All worked perfect. however cydia does not work. Search in cydia does not show any results.

Sam - December 28, 2011 at 7:11pm

hi does anyone keep getting an error in cydia when adding a sources saying sub-process /bin/bzip2 returned an error code please can someone tell me how to sort this as it keeps coming up when i try to add a new sources

Soze - January 1, 2012 at 5:09am

Go to sources in Cydia, manage, edit and add the following: cydia.hackulo.us

john - December 28, 2011 at 5:51am

does not work for me on iphone 4 that already has 5.0.1 installed. tried twice and still no cydia.

john - January 1, 2012 at 2:48pm

who is tom? what are you talking about dt?

t0Riq - December 28, 2011 at 4:57am

I've iOS 4.3.3 JB, I tried to upgrade the firmware to 5.0.1 before I JB it, but now my iPhone stuck on iTunes Logo..... Can anyone help me ??

SleeperNinja - December 28, 2011 at 5:08pm

Update iTunes to current. Do the restore again, and don't restore from back up or unlock and setup iOS5 until AFTER you JB. I had a similar problem, the Apple logo was on like a 30 second restart cycle.

wab - December 28, 2011 at 4:49am

JB worked fine but there is a glitch, sometimes for some reason apps open up really small in the top left corner of iphone screen, have to boot in safe mode and reboot device to fix. something you guys might wanna look into. thanks~

Sajmannen - January 1, 2012 at 12:38pm

I've got that too And once it has started it affects all apps. Thanks for the tip of going into safe mode though. That was a lifesaver!

rs6er - December 27, 2011 at 8:59pm

I am on IOS 5.0 with BB 4.10.01. Won't restoring to 5.0.1 update my BB?

krux - December 28, 2011 at 1:39pm

there's no unlock for that BB anyway (4.10.01), so why worry?

g p kumar - December 30, 2011 at 10:51am

who said? there is unlock for bb 04.10.1 you can use geevey sim, right now i am on ios 5.0.1 and my bb 04.10.1 and my iphone 4 jailbreaked and unlocked. try to read tutorials, how to do!! cheer up happy new year with ios 5

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