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

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Posted June 16, 2012 at 4:09am by iClarified

These are instructions on how to jailbreak your iPhone 4 on the 5.1.1 firmware using RedSn0w for Windows. The Mac version of this tutorial is here.

Upgrading your iPhone to iOS 5.1.1 through iTunes will update your baseband, potential removing or ruining your chances for an unlock. Please follow this tutorial on how to update to iOS 5.1.1 using a custom ipsw if you need an unlock. 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 4 Using RedSn0w (Windows) [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.

Select your iPhone from the list of devices on the left. Now hold down Shift 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. You can do this by right clicking the executable and selecting Run as Administrator contextual menu.

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.

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 be exploited with limera1n and 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, Chronic Dev-Team, and Geohot for their hard work and contribution to the iPhone community.

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jaiganesh - October 31, 2013 at 4:10pm

i am using iphone 4 japan which was jailbreak by redshow and i update latest ios 7.0.2 then mobile ask about insert sim card, i do no what to da ,i want to jailbreak new ios or old ios help me

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althea - July 8, 2013 at 10:47am

hi my iphone4 locked from japan can i jailbreak it using redsnow? version is 4.2.1 modem firmware is 03.10.01 storage 16 gb. Thank you

althea - July 8, 2013 at 10:43am

hi im from philippines i have my iphone4 4.2.1 locke from japan can i unlocked this version is 4.2.1 modem firmware is 03.10.01 storage 16 gb. thank you

hartred - March 11, 2013 at 1:45pm

i followed all the steps but the cyndia icon is plane white and cant open it what will i do help pls??

Pogz - February 26, 2013 at 2:27am

thanks a lot...

Ali - February 5, 2013 at 1:30pm

is any one simply answer that can i unlock iPhone 4 from japan lock from softbank...! if any one know please help and reply...!

Ashwin - February 5, 2013 at 1:55pm

Yes, u can jailbreak 5.1.1 with this software. To unlock you should have old base band(moderm firmware). That should start from 1.X.

Hsn - February 6, 2013 at 4:14am

I have iphone 4 (4.2.1) on bb: 4.10.01 Can i upgrade it to 5.1 using this method? last time i tried with sn0wbreeze i got error 3194 and all sorts of errors in the itunes. Do i need tiny umbrella or stuff like that in the background or will it work just like that Any help plz?

Sojib - February 6, 2013 at 5:41am

Dear Bro. My iPhone 4 locked by Softbank Japan. Version : 4.3.5 (8L1) Modem Firmware : 04.10.01 Can i factory unlock it? If yes kindly tell me accurate procedure. Thanks.

Ashwin - February 6, 2013 at 11:11am

Ali With out giving proper info about its difficult to reply u.

Sojib - February 7, 2013 at 3:50am

@ Ashwin. Plz give my question answer.

Ali - February 26, 2013 at 9:58am

I have Iphone 4, 5.1 Softbank Japan.. want to unlock and use sim card.. please help

Ali - March 1, 2013 at 11:13am

Hi Ashwin, my iphone is 4.. 5.1, Factory lock from Japan.Please help how to unlock and use sim card in Bangkok or Dubai..!

Ali - March 12, 2013 at 12:49pm

So after that can i use sim card in it?

rohit p - March 3, 2014 at 7:49am

Hi Ashwin I want some help from you bro actually i have an iPhone 4 white (32 GB) from Softbank Japan. IOS version 6.0.1, firmware: 04.12.02 and i want to unlock it in India by any method. i already ask by others in market and other sites but they were unable to help. Please let me know how can i unlock it. or it can be unlock or not? really need your help bro. just reply in my mail i would be very thankful to you :)

roshan max - June 17, 2015 at 9:54am

dearmare u unlock ur phone,

Sojib - February 5, 2013 at 10:20am

Can i jailbreak my iphone 4 came from japan? Please help me someone.

Joss - February 5, 2013 at 10:26am

Yes you can. Use redsn0w. And if your iPhone is on older BB. You can unlock unlock installing ultrasn0w. Enjoy!!

Sojib - February 5, 2013 at 11:19am

My Phone : Carrier lock by SoftBank JPN. Can i unlock it properly? Please help me in my email address. Thanks

Ashwin - February 7, 2013 at 8:15am

Plz give me the proper information so that i can help u. Modem firmware and OS is what i need to reply if u can unlock. Settings - General - About - Modem Firmware

ashwin - February 7, 2013 at 8:16am

Sojib Plz give me the proper information so that i can help u. Modem firmware and OS is what i need to reply if u can unlock. Settings - General - About - Modem Firmware

Sojib - February 12, 2013 at 3:49am

@ ashwin, MODEL: IPHONE 4 16GB BLACK iOS: 4.3.5 firmware version 04.10.01 If you have any solution let me know plz,

sreenu - August 6, 2013 at 1:55am

hi Aswin, i have Softbank iphone 4 , 32GB.. can you please help me to how can jailbreak my iphone 4.. and provide the price to the process.. thanq

mohsen - January 12, 2013 at 2:17pm

error 3194?????

oliver - January 11, 2013 at 5:12am

i followed everything and worked out great but the cydia icon in my phone is just white and i can't open it.... help please

Jamaruu - December 16, 2012 at 9:11am

Hey, I did the jailbreak but I encounter a small problem. My phone doesn't start untethered, it strats but I can't access cydia or safari... Solutions anyone ? Ios511 iphone4 neverlocked. Bb4.12.2

nauzil - December 30, 2012 at 5:00am

download rocky raccoon ios 5.1.1 from cydia

Santiago - December 10, 2012 at 6:00am

I have an iPhone 4 factory unlocked (can work with any sim card or phone company that I want). I think it originally came with iOS 4.3.3 and I already updated the iOS and jailbreak many times. Nowadays I have it with iOS 5.0.1 already jailbroken.. I'd really like to update to iOS 5.1.1 and jailbreak it. My question: If this iOS update and unthetered jailbreak to 5.1.1 still possible at the moment? or I will end up with a "blocked" iphone, because of the erros in the process, with no other choice that updating to iOS 6.0.1 (current official) with no jailbreak at all. Hope it understands what I'm asking.. Please, someone answer.. Thanks!

ali - December 9, 2012 at 10:49am

i jailbreak my phone but any one tell me how to active my Sim car because my iphone 4 5.1 is factory lock from softbank japan..! please help if any one know..

rihaan - January 9, 2013 at 11:24am

dude juz use redsnow and preapre to jailbreak with ua used ios and juz select deactive ty

Edwin de Vries - November 28, 2012 at 5:07pm

I tryed to jailbreak my iPhone 4 with IOS 6.0.1 with RedSn0w. I follewd the instructions. Everything is going well till the Reboot. When I Reboot the divece ill get de message "missing Keys.plist data for this build". What can I do too solf this? Please help me somone Thanks.

rihaan - January 9, 2013 at 11:18am

dude juz open redsnow and so to select ipsw option den select ios 6.0 verion den go bak to jailbreak ua phone will b jailbreaked buh safri and cydia wont work ty

choco_ju - October 16, 2012 at 7:41am

Now apple close the sign off on 5.1.1 and if I am on JB iOS 4.1, how to upgrade to JB 5.11? new to JB thx alot

jack - December 16, 2012 at 4:35pm

If you saved your blobs or they available just use the jailbreak program to install your IOS and then jailbreak from there. I personally use iFaith and Tinyumbrella to do it, long winded I know but old habits die hard.

tcr - September 22, 2012 at 8:08pm

i just tried today moving from 4.3.3 to 5.1.1 but apparently apple has stopped signing 5.1.1 , i tried everything , with editing hosts file and adding 74.208.105.171 with original 5.1.1 on desctop and laptop both 1600 error , tried with tiny umbrella again 1600 error . Tried cleaning hosts file i get 3194 cos appla stopped signing 5.1.1 . I tried stiching and restoring , everytime i restore i restore in DFU , and i got stuck in a restore loop which was only able to be fixed by using the clean restore from itunes ( clean hosts ) to 6.0 how can i restore to 5.1.1 because i need cydia !

Manuka - September 27, 2012 at 2:25am

I'm getting the same issue as you man. Need to upgrade to 5.1.1 and I keep on getting a 3194 error.

kdv - September 27, 2012 at 6:22am

i got stuck with this error too.. need help sir.. thanks

muerto - September 27, 2012 at 3:22pm

have you been able to find the solution if so please post it as also need to update my phone. cheers

tcr - September 30, 2012 at 9:29am

Found the solution : after u get -1 error from what i described above , and get stuck in restore . What worked for me is redsn0w-> then extras(or more) -> recovery fix . It tells u to turn off ur phone so u can click next for the next steps to enter DFU , but thats impossible , the power button turns off ur phone for 3-4 seconds so what u need to do is just HOLD BOTH POWER AND HOME for about 10 seconds , the screen will go black , then after 10 seconds release the power button .. and couple of seconds later , text , bootloader loading on the iphone appears , then leave ur phone do the rest . THen u can freely jailbreak

kdv - September 30, 2012 at 4:04pm

still doesn't work for me.. error 3194.. btw, im using new BR.. thanks

Ahmed Asem - September 18, 2012 at 6:28pm

tnx dev team

kuro - September 15, 2012 at 2:20pm

AWESOME !!!!!!

Pinero - September 15, 2012 at 8:07am

TKS A LOT GUYS!

amber - September 12, 2012 at 8:22pm

It keeps getting hung up on waiting to reboot. I am trying version redsn0w 0,9,13dev3. Any ideas.

Sugan - September 11, 2012 at 6:32am

awesome!! Jailbroken... wow

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