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How to Jailbreak iOS 5b1 on Windows Using Sn0wbreeze 2.8b1? [Step-by-Step Guide]

iH8sn0w has just released Sn0wbreeze 2.8b1 to jailbreak iOS 5b1 on Windows. Before proceeding to the jailbreak procedure, note that this is a tethered jailbreak which is intended for developers only. Sn0wbreeze 2.8b1 will NOT hacktivate your iPhone, so you will still be needing a registered UDID to activate your iPhone. Except iPad 2, Sn0wbreeze 2.8b1 will jailbreak iOS 5 on all supported iDevices.

Sn0wbreeze 2.8b1

Supported iDevices:

  • iPhone 4 (GSM)
  • iPhone 4 (CDMA)
  • iPhone 3GS (New Bootrom)
  • iPhone 3GS (Old Bootrom)
  • iPod Touch 4G
  • iPod Touch 3G
  • First Gen-iPad

Steps to Jailbreak iOS 5 on Windows Using Sn0wbreeze 2.8b1:

  1. If you have got registered Apple Developer's account, download iOS 5 beta 1 by signing into iOS Dev Center here. If you do not own Apple Developer's account, just Google Download iOS 5 IPSW for your iDevice and you will get tons of torrent links.
  2. Download Sn0wbreeze 2.8b1 for Windows from here [Direct Link]
  3. Once you got hold of iOS 5 IPSW for your iDevice, launch sn0wbreeze-v2.8b1.exe and click on the Next button to browse for stock iOS 5 IPSW. You can either drag the IPSW file directly into Drag an IPSW into me! section or click on the Browse button to select iOS 5 firmware file for your iDevice.
  4. Sn0wbreeze 2.8b1 (Browse for IPSW)

  5. Now wait while Sn0wbreeze detects your iDevice name and model by processing the firmware file. Once done, click on the Next button to continue.
  6. Sn0wbreeze 2.8b1 (IPSW Verified)

  7. Now you will see the following three jailbreak modes. Choose Expert Mode and click on Next button to continue.
  8. Sn0wbreeze 2.8b1 (Expert Mode)

    BASEBAND PRESERVATION MODE: This mode only preserves the iPhone's baseband. It does not jailbreak or unlock the actual device. All other modes still do preserve the baseband.
    SIMPLE MODE: Recommended for people that don't know what to add. This mode will add Cydia, afc2, SSH for Apple TV and other recommended stuff automatically.
    EXPERT MODE: Expert mode let you have all customizing options at your disposal. Such as custom boot logos, root partition size, installer options and unlocks.

  9. Click on General tab followed by a click on Next button.
  10. Sn0wbreeze 2.8b1 (General Tab)

  11. As hacktivation is not supported by Sn0wbreeze, so Activate the iPhone [Hacktivate] option has been disabled. However you can choose the other (optional) jailbreak options like Install SSH and Enable Battery-Percentage.
  12. Sn0wbreeze 2.8b1 (Jailbreak Options)

  13. Click on the Build IPSW tab followed by a click on Next button.
  14. Sn0wbreeze 2.8b1 (Build IPSW)

  15. Now wait while Sn0wbreeze cooks iOS 5 custom IPSW for your iDevice. Mean while you can play PacMan game by clicking on the PacMan button. You will be needing Adobe Flash Player installed in your Internet Explorer to play this game.
  16. Sn0wbreeze 2.8b1 (Creating IPSW)

  17. Once Sn0wbreeze has created iOS 5 custom IPSW for your iDevice, you can find it along with iBooty software on your desktop. Click on the OK button to put your iDevice into Pwned DFU Mode.
  18. Sn0wbreeze 2.8b1 (IPSW Created)

  19. Now use the following instructions to put your iDevice into DFU mode:
    • Connect your iDevice to your PC via USB cable.
    • Turn OFF your iDevice completely by pressing the Power button.
    • Hold down the Home+Power button for exactly 10 seconds. After 10 seconds, release the Power button but keep holding the Home button until Sn0wbreeze detects your iDevice in DFU mode.
  20. As soon as Sn0wbreeze will detect your iDevice in DFU mode, it will put it in Pwned DFU Mode by patching the iBoot of your iDevice with Limera1n exploit. This will bypass all 16xx errors (1600, 1601, 1602, 1603 & 1604) during the restore of custom IPSW through iTunes.
  21. Sn0wbreeze 2.8b1 (iREB)
    Sn0wbreeze 2.8b1 (Pnwed DFU Mode)

  22. Now you will see two buttons i-e Check for Update and Restore. Hold down the SHIFT key on keyboard and click on Restore button. Choose iOS 5 custom IPSW from your desktop and leave the rest on iTunes.
  23. iTunes Restore

  24. Once restore process is complete, your iDevice will reboot and will get stuck at Apple logo. Do not worry, it was well-expected because the current jailbreak is tethered. Go to your desktop and find iBooty-for-5.0b1 directory. Launch iBooty.exe, select your iDevice from the drop-down list and click on the Start button. Now use the instructions below to put your iDevice in DFU mode.
    • Connect your iDevice to your PC via USB cable.
    • Turn OFF your iDevice completely by pressing the Power button.
    • Hold down the Home+Power button for exactly 10 seconds. After 10 seconds, release the Power button but keep holding the Home button until Sn0wbreeze detects your iDevice in DFU mode.
  25. As soon as iBooty will detect your iPhone in DFU mode, it will patch your iBoot with Limera1n exploit and will boot your iDevice into tethered jailbroken state.
  26. iBooty for iOS 5

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23 comments
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  •  
    K!nG4 years, 10 months ago

    Hey,
    Thanks for ur quick reply, just a quick question when a proper jailbreak is gonna be available so when phone reboot we don’t have to go through all these ibooty steps ? anyway to find out. I am just a beginner :) its the first time i ever jailbreak an iphone :$

    •  
      Pramod4 years, 10 months ago

      Nope, you won’t need to do that.

  •  
    K!nG4 years, 10 months ago

    I just jailbreak my iphone 4 version 5.0.1 and everything went fine except after the restore it didn’t get stuck at apple logo sign so i didn’t have to go through ibooty stuff, but now the problem is i can’t open “cydia” or “safari” when i tap them they open for half a second and close. Can someone help me on this one.
    Thanks in advance.

    •  
      Pramod4 years, 10 months ago

      That’s because you need to now go through the iBooty stuff if you want Cydia / Safari to open up. Its still a tethered JB.

  •  
    Farhan4 years, 11 months ago

    Yes its public release ios 5 final version & the big prob is that my iphone side is enough hot after using only for 5 mints

  •  
    Farhan4 years, 11 months ago

    It loads but doesnt show anything in weather app & app store…!

    •  
      Pramod4 years, 11 months ago

      Your on the iOS 5 public release right? Just confirming it since your asking it on the Beta 1 post.

  •  
    Farhan4 years, 11 months ago

    Yes ofcourse my iphone is connected to the internet via wifi but app store & weather app not working

    •  
      Pramod4 years, 11 months ago

      Does it crash upon loading? Or it loads but doesn’t show up anything?

  •  
    farhan4 years, 11 months ago

    after restored ios 5 i have two main problems in my iphone4,
    1-weather app not working every time i try update failed
    2-app store not open any app why??? help me & again thank you so much…!

    •  
      Pramod4 years, 11 months ago

      You need to be connected to the internet for such apps to work.

  •  
    farhan4 years, 11 months ago

    i restore my iphone 4 but now cydia is not open so what can i do ??? and thanks for your rep…!

    •  
      Pramod4 years, 11 months ago

      Boot it tethered with iBooty.

  •  
    farhan4 years, 11 months ago

    after restore by snowbreze itune error accoured that there is no sim card installed in the iphone, what can i do now ??? i restore ios 5 in my iphone 4…! plz help me

    •  
      Pramod4 years, 11 months ago

      That is not a restore error. Pop-in your legit carrier SIM to officially activate your device via iTunes.

  •  
    farhan4 years, 11 months ago

    hi while restoring itunes error accoured 3194, what can i do now ???

    •  
      Pramod4 years, 11 months ago

      Fix your hosts file by removing / deleting the reference of Cydia that you have & then redo the restore from iTunes once again. This is very important for the iOS 5 restores.

  •  
    sikvdila5 years, 3 months ago

    Thanks Wolverine Great tutorial

    But i have one question, how ulock gsm signal? I have ipod baseband 06.15.00 on my 3gs.

    •  
      Pramod5 years, 3 months ago

      Din’t get you there. Could please be more detailed? What did you actually mean by unlock GSM signal? Did you mean how to unlock your iP3GS to use other network SIM’s ?

      •  
        sikvdila5 years, 3 months ago

        yes.

        If I register my Iphone UDID to enter IOS 5 beta program will I receiv gsm signal (use other network SIM’s) on my Iphone 3GS (Ipod baseband)?

        •  
          Pramod5 years, 3 months ago

          No, you’ll not receive a signal because you cannot unlock your iPad BB yet as Ultrasn0w is not compatible with iOS 5b1. So, your stuck without the calling functionality.

          •  
            sikvdila5 years, 3 months ago

            Understood. Thanks