How To Perform Untethered Jailbreak On Your iPhone 4, iPhone 3GS Running iOS 5.0.1 Using Redsn0w

Jailbreak iPod Touch On iOS 4.2.1 Redsn0w

iPhone Dev team has just released a new version of Redsn0w, which finally allows iPhone 4 GSM, iPhone 4 CDMA and iPhone 3GS users to perform an untethered jailbreak.

In this guide, we will take you through the step by step procedure to perform an untethered jailbreak on iPhone running iOS 5.0.1 using Redsn0w.

Here are some important points to note before you proceed.

  • This guide is meant for iPhone 4 and iPhone 3GS users. iPod touch users can checkout this guide and iPad users can checkout this guide.
  • If you've performed a tethered jailbreak on your iPhone running iOS 5.0.1 then checkout this guide to convert it to an untethered iOS 5.0.1 jailbreak.
  • Important note to iPhone unlockers: Please don't use this guide directly if you want to preserve your iPhone's baseband. Follow our step-by-step guide to preserve your iPhone's baseband first.
  • Redsn0w 0.9.10b5c does not support iPhone 4S currently, but pod2G is working hard on it. We'll keep you posted.
  • Please note that jailbreaking your iPhone may void your warranty and hence proceed with caution and at your own risk.
  • Please do not forget to backup your iPhone before you proceed. You can refer to this post for instructions on how to backup your iPhone.
  • If you've jailbroken your iPhone then you can use jailbreak apps such as AptBackupPkgBackup or xBackup from Cydia to take a backup of all the jailbreak apps and tweaks so you can reinstall them easily after successfully jailbreaking your iPhone rather then installing them individually. However, if you're moving from iOS 4.x to iOS 5, it may be a good idea to reinstall the jailbreak apps to avoid compatibility issues.
  • After the jailbreaking process is complete, do not forget to checkout our article on tips to keep your iPhone secure.
  • Please ensure you are running latest version of iTunes i.e. iTunes 10.5 or later.

Update: Please note that some readers are reporting issue with iBooks after jailbreaking their iPhone.

You can follow these step-by-step instructions to jailbreak your iPhone 4 and iPhone 3GS with the assumption that you've already updated your iPhone to iOS 5.0.1 (please note Settings --> General --> About --> Version should be 5.0.1):

Step 1: Download Redsn0w 0.9.10b5c for Windows from this link and Redsn0w 0.9.10b3 for Mac from this link and save the application in a folder named "Redsn0w" on your desktop.

Step 2: Double click the Redsn0w zip file and extract the application to the Redsn0w folder. Navigate back to the Redsn0w folder and launch the Redsn0w application.

Step 3: After launching Redsn0w, click on the Jailbreak button.

Windows 7 users should run the exe in Windows XP compatibility mode (right-click on the Redsn0w exe and select Properties, then select the Compatibility tab and select Run this program in compatibility mode for Windows XP). Windows XP and Windows 7 users should run Redsn0w as ‘Administrator’ (right-click on the Redsn0w exe and select 'Run as an Administrator').

Step 4: You will now be prompted plug your iPhone to the computer and switch it OFF. Follow the instructions and click on 'Next' to move to the next screen:

Step 5: You will now need to put your iPhone into the DFU mode. Redsn0w will take you through the necessary steps:

(a) Hold the Power button on iPhone down for 3 seconds:

(b) Now simultaneously hold the Home button and keep the two buttons pressed for 10 seconds:

(c) Now release the Power button while keeping the Home button pressed until Redsn0w detects the device:

Step 6: Your iPhone should reboot now. Please remember to release the Home button.

Step 7: Redsn0w will now start preparing the jailbreak data.

Step 8: You will now be prompted to select the jailbreak options you would like. Make sure Cydia is selected and select 'Next' to continue.

Step 9: You iPhone will be rebooted again and Redsn0w will now begin uploading the new RAM disk and kernel.

Step 10: You will now be notified once the jailbreaking process is complete. Click on the 'Finish' button to exit the application.

Step 11: Your iPhone will reboot once again (which could take approximately 5 minutes). After it has rebooted, your iPhone should be successfully jailbroken. You should find Cydia jailbreak app on your iPhone’s home screen.

If you're new to the jailbreaking world and wondering what to do after jailbreaking your iPhone, checkout our jailbreak apps category page to find out the apps you can install on your iPhone using the Cydia app. Please note that some of the jailbreak apps and tweaks are still not compatible with iOS 5/iOS 5.0.1 so please be cautious while installing them.

Troubleshooting Tips:

Error 16xx:

If you're getting error 16xx then it is most likely due to host file entries pointing to Saurik's server. You can either remove the host file entries or try jailbreaking from another computer.

Error 3194:

You have probably not put the iPhone in DFU mode properly. Try the step by step guide again.

White Cydia Icon:

If you notice the white Cydia icon (which fails to launch) after successfully jailbreaking then follow these steps to fix the issue.

  • Launch Redsn0w again.
  • Click on Extras and then click on Just Boot from the list of options.
  • You will now be prompted to plug your iPhone to the computer and switch it off. Follow the instructions in the correct sequence and click on 'Next' to move to the next screen:
  • You will now need to put your iPhone into the DFU mode. Redsn0w will take you through the necessary steps:
    • Hold the Power button on iPhone down for 3 seconds.
    • Now simultaneously hold the iPhone and keep the two buttons pressed for 10 seconds.
    • Now release the Power button while keeping the Home button pressed until Redsn0w detects the device.
  • Your device will reboot and you will see the Pwnage icon on your iPhone's screen for few minutes.
  • After your iPhone is successfully rebooted, you will see the regular Cydia icon (brown). You should now be able to launch Cydia without any issue.

Cydia Issues:

It looks like some of the repositories are getting hammered due to the surge in traffic, so keep trying or try after sometime.

"No identifying data was found" Error:

If auto-detection fails and you get the "No identifying data was found" error message when you use Redsn0w then you need to manually select the iOS 5.0.1 firmware file before following the step by step instructions mentioned above. To select the firmware file manually follow these steps:

Update 1: If you're having issues launching jailbreak apps install the latest version of Corona iOS 5.0.1 Untether. More details available here. Update 2: iPhone Dev team has released Redsn0w 0.9.10b2 to fix the launchCtl issue. We've updated the download links with the latest version of Redsn0w. Update 3:

iPhone Dev team has released Redsn0w 0.9.10b3 to fix the problem with MobileSubstrate based jailbreak apps. We've updated the download links with the latest version of Redsn0w.

Update 4:

Corrected the links for Redsn0w. Thanks everyone for pointing it out.

Update 5 (17/01/2012):

iPhone Dev team has released Redsn0w 0.9.10b4 to fix the iBooks issue. We've updated the download links with the latest version of Redsn0w.

Update 6 (29/01/2012):

iPhone Dev team has released Redsn0w 0.9.10b5 to fix the iBooks DRM issue. We've updated the download links with the latest version of Redsn0w.

Update 7 (15/02/2012):

iPhone Dev team has released Redsn0w 0.9.10b5c to fix some bugs. We've updated the download links with the latest version of Redsn0w.

Hope this helped. Please don't forget to let us know how it goes in the comments and drop us a line if you hit any issues and don't forget to give a donation to pod2G for all his hard work.

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272 Responses to How To Perform Untethered Jailbreak On Your iPhone 4, iPhone 3GS Running iOS 5.0.1 Using Redsn0w

  1. Adrian says:

    My jailbreak using redsnow was successful but i have problem installing SBsettings…
    Any advice??

  2. tt says:

    How is it possible to get Winterboard on Jailbreak of stock 5.0.1 ?

  3. superam says:

    Anybody here having issue with GPS/Location Services???
    After successfully untether jb my iphone 4 5.0.1 with redsnow my GPS stop working.

    Please Help

  4. Kiran says:

    Fantastic!!!! Jailbroke both the iPhone 4 and 3GS…Time for some donations. ;)

  5. Kiran says:

    For ppl with SBSettings not installing issue…Please wait for some time as the servers are getting flogged since yesterday… ;)

  6. Davy_Ray says:

    I am currently running a jailbroken os4.01 phone with baseband 01.59.00. the phone was bought unlocked by apple. If i upgrade to 5.01 via itunes and then JB with redsnow will i still have the factory unlock? Do i need to preserve my baseband or does it not matter?

  7. Khaled says:

    I installed cydia successfully but when i install any app from it i get an error after finishing its thing and cant see the app or in spotlight search ( i cant install anything from cydia) anyone can help me plz?

  8. Jay says:

    A big heartfelt Thanks to Pod2g .,.,.,.,, works like a charm on my 4 as well as 3gs
    perfect gift b4 the end of the year .,.,.

  9. I'm sad says:

    I keep getting a posix error in cydia.

  10. Rick Burke says:

    I’ve just upgraded my 3GS (new bootrom) to IOS 5.0.1. I’m going through the described steps but Redsn0w is saying ‘Couldn’t download required ISPW….errror with SHSH blobs’ Does Redsn0w need to download a custom ISPW?

    • Rick Burke says:

      Top tip. Don’t attempt to do the jailbreak whilst at work where the firewall will almost certainly prevent Redsn0w doing its stuff! D’oh.

      JB @ home in 5 minutes, no problem……

  11. Mussie says:

    Ive jailbroken successfully -but i cant install any cydia apps- winterboard, activator, sbsettings etc… basically every reason to JB isnt working
    any suggestions?
    error reads – Note: Cannot Locate Package

  12. Dan Bradley says:

    Everything finally started to work late last night. All of my Cydia apps re-appeared. I am having a few technical issues with icons disappearing within folders, but I will figure that out soon. Other than that, it looks great! Oh and lock info is a bit weird, when I receive a text message through “imessage” it appears as that persons email add. instead of their contact card.

    Great work guys!

  13. Mark says:

    I am using windows XP when I hit “shift and restore” i don’t see the .ipsw file

    I did download it into the pwnage folder but I don’t have the cube, just a stack of books.

    what do i do?

  14. assaf sion says:

    can i rejailbreak it and if i can so how?

  15. Taheim says:

    I’m having a problem ….my iPhone 4 is already on iOS 5.0.1 and when I try to do the untethered jailbreak redsnow gets stuck at identifying or either says can’t not identify my build ….PLEASE HELP!!!!!!

  16. almeidajack says:

    To solve 16XX errors, erase apple mention on hosts file, use IREB and after Itunes.

  17. Yil says:

    Just wanted to let everyone know that this post was of great help Jailbreaking my iPhone 4. Cydia was installed great and the iPhone boots up just fine.
    Thanks iPhone Dev team.

  18. BabaCole1 says:

    Mawwwwd ting, respek to di bwoy wit di JB.

  19. hoji says:

    hi all,
    I did everything as was said above, and it is working very well, but i can’t restore from backup.
    what should i do to get my all contacts ???

  20. M11ggas says:

    Hi guys I have iphone 3gs 4.3.3untethered jailbreak…. Do I now just updated to ios 5.0.1 through itunes and then jailbreak through redsnow? If so will all my jailbreak apps get deleted or not? It’s a bit confusing got me.
    Many thanks for replies..

  21. Alan says:

    I have just jailbreaked my iphone 3gs (5.13.4 / 5.0.1). Cydia>Manage>Source>Edit>add “repo666.ultrasn0w.com”, and no “ultrasn0w..” show up. I couldn’t unlock it, do you guys know any how?
    Thanks

  22. craigx says:

    thank you so much for this wonderful jailbreak! works 100% with iphone 3gs bb 6.15 (from ios 4.1)

  23. ifonix says:

    thanx dev team for the good and hard work!!
    unfortunately imac G4 or G5 with IBM (not intel) processor can’t open resn0w_mac0.9.10b3.
    you can download the file. you can unzip it..but kick on the redsn0w logo (shortcut)
    give right away..”you can’t open the application “redsn0w” because it is not supported on this architecture.”
    so as a veteran jailbreaker on G4 who jailbroken sins iphone 2 for my self and others..
    what a shame that i have to find different computers to jailbeak my iphone 4… :-/ sh*t

    but once again, thanx dev team and the rest of the jailbreak developers.
    keep doing this secured work for the benefit of all jailbeakers.
    happy new year :-)

  24. hung says:

    whhy after jailbreak the iphone have no services? need help

  25. Mark says:

    I tried this and it did not work. I received an error message from my windows OS and it stopped trying to load

  26. nvjnj says:

    Guys im about to do the jailbreak
    i want to know if redsnow hacktivates the custom ipsw ‘cos I dnt hv the original SIM.

  27. pNx/qTm says:

    Walk through worked fine on my 3gs – almost caught out by the DFU count down starting quick tho. BBSettings and RSSWidget installed. Only issue iBooks not working.

  28. Brian says:

    Win version is mis-labled as Mac and vice versa…anyhow, getting the “Redsn0w has encountered…” error every time I try it. It gets to “Uploading stage 1…” then errors out. I am on 5.01 and XP and have set affinity to CPU 1 only (I have not changed the run priority)…tips appreciated. No “did you try” speculation please, just an answer would be helpful…thanks! Other questions gladly answered if I can get some help…thanks again!

  29. Jesse says:

    You’ve got the redsn0w download links switched “Windows click here” links to the mac version, and vice versa

  30. John says:

    I upgraded my 3GS to the 5.01 with modified ipws by redsn0w. But, cydia is missing. When I tried to jailbreak process I keep getting error with SHSH blobs. Help anyone?

  31. John says:

    I upgraded my 3GS to the 5.01 with modified ipws by redsn0w. But, cydia is missing. When I tried to jailbreak process I keep getting error with SHSH blobs. Help anyone?

  32. ip4 says:

    identifying is so long…anyone can help??

  33. ip4 says:

    identifying so long…how??

  34. masai says:

    Im getting the YSOD (Yellow Screen Of Death) on my 3GS (old bootrom) since doing this jailbreak if I let the battery run out. Anyone else having this problem. Don’t think its my charger, have used a friend’s too with same result. The only way to get the phone working is to put it in DFU mode. Any suggestions greatly welcome!

  35. Ali Ashrafi says:

    Dear All,
    Please let me know how can I restore my iPhone 4 iOS 5.0.1 to original version? (Because that is not enough programs for it in Cydia, the speed of phone is reduced and my message’s are not open regularly)
    Thanks for your time, Ali

  36. T Wood says:

    I am stuck at please wait while your build is being identified ?? I downloaded redsnow and
    iPhone3,1_5.0.1_9A405_Restore.zip.lkiv0w2. Then unzipped them. I tried through extras to poimt to the downloaded neede file but it can not located it. Any help would greatly be appreciated.
    TW

  37. sephjo says:

    does it work with my regular sim card on my 3gs? please leave a reply thanks more power!

  38. joseph del pilar says:

    does it work with my regular sim card on my 3GS? please leave a reply thanks more power

  39. Texun says:

    Why do I get “unexpected error” when I click jailbreak? (redsnow 10b3…3gs, 5.0.1)

  40. sLOWmO says:

    I’m having issues after jail breaking where phone will get stuck in a loop on the apple logo i’m using windows I manage to get it into recovery mode and have to use a mates apple to restore any help on what’s going on or any solutions? I have iphone4, iOS 5.0.1 and using b3 redsnow

  41. Ivan says:

    When I try to Jailbreak 5.0.1 redsn0w 0.9.10b4 keeps saying: The IPSW for the following build is needed: iPhone2,1_5.0.1_9A404
    I don’t have this build, but the one ending in 9A405
    What can I do? Besides, my phone gets no signal with the update. Any solution?

    Thanks a lot!

  42. Fr33KiLL says:

    Hi

    Awesome post. It worked like a charm. I successfully updated my iPhone 3GS to iOS 5.0.1 and jail broke it. Only concern I have is notification. Only messages and calls I get notification. I have other apps like Facebook, Cricinfo, Wordfeud for which I don’t get notification even after I set these apps in my notification list in Settings. Is there anyway I can get these notifications too..? I used redsn0w 0.9.10b1.

  43. Bruno says:

    I am having problems with my carrier… It doesnt mark any bars (Searching…) and I can’t make phonecalls. Please help!!

  44. Bruno says:

    I am having problems with my carrier… It doesn’t mark any bars (Searching…) and I can’t make phone calls. Please help!!

  45. yokhashy says:

    i followed thebsteps but phone is not unlock.
    going from att to tmobile but it will not get service

  46. Tarun says:

    Hi, Will this software work for new iOhone 3GS (with Toshiba baseband chip) too? I purchased a new iPhone 3Gs manufactured after July 2011 and looking for a solution to unlock that. Please reply. Thanks!

  47. Terry says:

    Hi, A quick question, Will I ever get a software to unlock my newly purchased iPhone 3GS with Toshiba Baseband??????

  48. Jason says:

    OK it went good i got to give it that… bu why cant i find anything like i search and it doesnt show me any apps i might bee a newby but this is pisssing me off because i have already had the phone jailbroken before i got the ios 5.0.1 softwhere
    so can someone please help me.

  49. Wendie wilson says:

    Worked flawlessly, i had tried several times before from other sites and always ended up with my phone saying searching or no service. with your guide i checked the deactivate box and it worked like a charm..this should be called “Jailbreaking For Dummies”….

  50. rachel says:

    Successfully downloaded cydia onto my phone but it seems that i am unable to see all the packages.

    The first time I did it, it was fine. It worked perfectly. However the second time I installed cydia I could only see around 40 packages :(

    anyone knows why? helpppp :(

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