Download redsn0w(redsnow) 0.9.6b4 to Jailbreak iOS 4.2.1

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Redsn0w(redsnow) has been updated to version 0.9.6b4 and it can now jailbreak iOS 4.2.1 for all iDevices (but tethered for new ones). For those who don’t know, redsn0w is a windows tool jo jailbreak iPhone, iPod Touch and iPad.

  • Works for all iDevices. But for newer devices (iPhone 4, iPhone 3GS with new bootrom, iPad, iPod Touch 3G and iPod Touch 2G with new bootrom) it is still tethered, which means that you’ll need to connect your newer iDevice to PC if you reboot them.
  • Unlockers please stay away from this release. It upgrades your baseband and you’ll loose unlock, possibly forever.
  • Windows 7 users should use Windows XP compatibility mode.
  • iTunes 10.1 is recommended.

Here is the step by step guide to jaibreak iOS 4.2.1 using redsn0w 0.9.6b4

  1. Download iOS 4.2.1. Download links given below.
  2. Download redsn0w 0.9.6b4. Download links given below.
  3. Open up iTunes. It’ll detect your iPhone.
  4. Press Shift and click restore. Browse for the ipsw file you downloaded in step 1. iTunes will restore the iDevice to 4.2.1. Let it do its work. It may take some time.
  5. Open redsnow (redsn0w). Browse for the ipsw file you downloaded in step1. It’ll verify the file. Click next.Redsn0w redsnow 0.9.6b4 Download redsn0w(redsnow) 0.9.6b4 to Jailbreak iOS 4.2.1
  6. Check “Install Cydia”. Check other options only if you know what you are doing.Redsn0w redsnow 0.9.6b4 2 Download redsn0w(redsnow) 0.9.6b4 to Jailbreak iOS 4.2.1
  7. Switch off your iPhone and click next. It is very important to switch off your iPhone.
  8. Redsnow (redsn0w) will now guide you to put your iPhone in DFU mode. Do exactly as shown
  9. Once done, it’ll start the jailbraking process. Relax and let it do its work. Do not interrupt or attempt to turn off the device. The jailbreak will complete in few minutes.
  10. Only for new iDevices (iPhone 4, 3GS (New Bootrom), iPod touch 4G / 3G / 2G, iPad)

  11. You’ll be able to open your iDevice but won’t be able to open Cydia. To open Cydia, connect iDevice to computer and open redsb0w again. Do everything again but this time, choose “Just boot tethered right now”. The device will now boot in jailbroken state and you’ll be able to run cydia.Redsn0w0.9.6b4 2 2 Download redsn0w(redsnow) 0.9.6b4 to Jailbreak iOS 4.2.1
Downloads

Redsn0w 0.9.6b4 for Mac

Redsn0w 0.9.6b4 for Windows

iOS 4.2.1 for iPad:

iOS 4.2.1 for iPhone:

iOS 4.2.1 for iPod touch:

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126 Responses

  1. sufian says:

    if my ipod touch 4th gen turn off and if i can’t turn it on wat should i do??

  2. Duuluumh says:

    my ipod touch gets stuck on the step 9 and it says “Exploiting with limera1n” what do i do? pls help!!!

  3. Gandon says:

    “WAITING FOR ACTIVATION” and no signal;/ what i have to do now?
    WAITING FOR ACTIVATION iphone 3g ka daryti nera rysio?

  4. Aj_risaal says:

    my redsnow crashed before the jailbreaking completed. what do i do. it says downloading jailbreak data.

  5. Yosep_reky says:

    horray, Its worked.. just right klik, and compatible to win xp, for win 7 user.

  6. ibymalik says:

    IF WINDOWS 7 GIVES AN ERROR MESSAGE, THEN RIGHT CLICK ON redsn0w.exe THEN CLICK ON PROPERTIES, THEN COMPATIBILITIES AND RUN AS WINDWOS XP (SERVICE PACK 3)

    IT SHOULD WORK FINE :) :)

  7. H2kbro says:

    I just want to confirm Yosep_reky and ibymalik this method works great!

  8. Jacob says:

    i need help because i dont know what to do after you download

  9. Lizzebean says:

    Thank you so much! worked fine, all of it.

  10. Snowboarder0378 says:

    what do i do if the pineapple shows up and the loading circle and doesnt move from that..it just keeps making a noise.

  11. ABBY says:

    is it supose to take over 30 mins for the jailbreaking prossecs!!!

  12. Sander says:

    Why doesn’t redsnow work with ipod touch 2G ?

  13. Jiunnyis says:

    after i browsed the firmware it loads about more than 30 minutes and i still cannot click the next button !! does it needs to load this long ?

  14. Mjm_27_89 says:

    I’ve been trying to run the jail break on my IPHONE 3GS. I’ve downloaded the Ios4.2.1, and redsn0w 0.9.6b4 and have extracted both files. When i run the redsn0w, I choose browse to look for the Ios that I downloaded. The ISO program is there, but redsn0w is not finding the ipsw files. Anyone know how to fix this?

  15. 4444 says:

    iv got an iphone 4 followed the instructions and its still not done it im trying to re boot the phone with out itunes any ideas ??

  16. Ali Farroukh says:

    i jailbrealed my ipad but im stuck on the apple logo… why is tht?

  17. Pldavisus says:

    jailbreaking 3g 4.2.1 error pops up telling to debug or close while downloading data. what di i do

  18. Justin Lehr says:

    i have a jailbreak thats way easier than thisadd kingpker12 on runescape and ask me about it

  19. DuhBurg says:

    what do you do when it says unexpected error during preparation after your ipsw is identified?

  20. Jattard says:

    I am stuck on the apple logo! whats happening?

  21. Hawk_y1 says:

    I’ve been trying to run the jail break on my IPHONE 3GS. I’ve downloaded the Ios4.2.1, and redsn0w 0.9.6b4 and have extracted both files. When i run the redsn0w, I choose browse to look for the Ios that I downloaded. The ISO program is there, but redsn0w is not finding the ipsw files. Anyone know how to fix this?

  22. Truc421 says:

    How can I tell if my iPhone 3G is unlocked or not? And what redsn0w version would I want to download on XP sp3? I am running 4.2.1 right now from iTunes 10.2. Kinda new at this so please help me out here. Sim card while jailbreaking? Just want to get it right the first time.

  23. Flamerider1234 says:

    I have an Iphone 3GS it’s 4.2.1 and when i was doing redsnow it keeps getting stuck at “Waiting for reboot.” I tried looking around google and youtube and all it says is that it takes like 10sec. And its been 1 hour and my phone has a blank screen. Help?

  24. Khgfd says:

    how long should the download take?

  25. SuperBan says:

    im stock in exploiting limera1n for 10mins how long will it takes?

  26. Oliviero says:

    Got a first generation Ipad, and after I followed all the instructions.. All I’m able to view is a black screen with a pineapple in the middle! What to do?

  27. Anonymous says:

    im stuck in exploiting limera1n? PLS. HELP ME… HOW LONG DOES IT TAKES?

  28. lioness says:

    thanks.. working perfectly.. no problemo encuentro..

  29. Jamesnorman96 says:

    worked fine no problems :):)

  30. bae says:

    hey im stuck with “exploiting limera1n” :(( HELP. I’ve been trying for a week to jailbreak

  31. Riatheelite says:

    i did.. it works for me BUT my iphone 3g turn in to Ipod :( .i can’t make call i can’t receive call phone option is disappear ..Helppppppppppppppp

  32. Karankaran says:

    fuck you it say mine is a newer model

  33. aron says:

    what do you do if it comes up with missing keys/data

  34. Razia says:

    Hey, I need some help opening up the network on an iPhone 3G 4.2.1. I have downloaded the firmware as well as the redsnow 0.9.6b4. iTunes is open as well as redsnow, but when I have to search for the firmware (which I saved on the desktop) it’s nowhere to be found. Could someone please assist?

  35. jaygopal says:

    my ipod is jailbrek is help

  36. henk says:

    Do not see any IPSW file in download from iphone 3G??

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