How To Jailbreak / Boot Tethered iOS 5 Beta 4 Using Redsn0w 0.9.8b4

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It was only yesterday when Apple seeded iOS 5 beta 4 for iPhone, iPad and iPod touch as well as iTunes 10.5 beta 4 for Windows and Mac. Considering the fact that iOS 5 beta 4 is an OTA update, we immediately got our hands on iOS 5 beta 4 and tried jailbreaking it with the previously released redsn0w. It didn't work so we knew for sure that a redsn0w update to jailbreak iOS 5 beta 4 will be released soon. An so it has.

When iOS 5 was previewed at WWDC 2011 and the first iOS 5 beta released soon after that, it was told to us that jailbreaking beta iOS 5 firmware on those devices which are susceptible to the Limera1n bootrom exploit was possible. Initially, redsn0w 0.9.8b1 for Mac was released so that developers and non-developers alike could jailbreak iOS 5 beta 1.

A long time has passed since then, and now we have our hands on iOS 5 beta 4. Needless to say, the iPhone Dev Team have released an update to redsn0w for both Windows and Mac. You can now download redsn0w 0.9.8b4 in order to jailbreak iPhone, iPad 1 and iPod touch running iOS 5 beta 4.

In conjunction with iOS5 beta4 being released to iOS developers, redsn0w 0.9.8b4 is now available for jailbreak app developers (point the b4 redsn0w at the b4 IPSW). Remember, it’s a tethered jailbreak right now so you’ll need to use redsn0w to boot into a jailbroken state at each power cycle.

NOTE: It appears that by design, the OTA update that became available starting with iOS 5 beta4 will *not* be automatically applied to jailbroken devices. That’s a relief to those who don’t want to lose their jailbreak via OTA pushes. If you’re jailbroken, you’ll need to use the standard iTunes method to get to iOS 5 beta4.

One thing you should keep in mind here is that henceforth, all iOS 5 beta updates are going to be OTA. So if you jailbreak iOS 5 beta 4, you wan't receive iOS 5 beta 5 OTA update. You can either be happy or sad about it, depending upon whether you want to receive OTA updates regardless of the jailbreak or whether you're happy for the fact that you won't lose the jailbreak when Apple releases new iOS firmware, whether beta or whether after iOS 5 publicly releases.

Jailbreak iOS 5 beta 4 iPhone, iPad, iPod touch using redsn0w 0.9.8b4

Step 1: Download iOS 5 beta 4 IPSW for iPhone, iPad and iPod touch.

Step 2: Download iTunes 10.5 beta 4 for both Windows and Mac.

Step 3: Install iOS 5 beta 4 on iPhone, iPad and iPod touch. Guide posted here.

Step 4: Download redsn0w 0.9.8b4 for Windows and Mac

Step 5: Extract the redsn0w folder and run redsn0w 0.9.8b4. Then select iOS 5 beta 4 ipsw. Click on Next.

Step 5: Check Install Cydia. After that, ensure that the device is both powered OFF and plugged in to the computer.

Step 6: Enter DFU mode:

  • Press and hold Power button for three seconds
  • Press and hold both Power and Home button for 10 seconds
  • Release Power button but keep holding the Home button until redsn0w injects the Limera1n bootrom exploit.

Following automated steps, redsn0w 0.9.8b4 will now jailbreak iOS 5 beta 4 on your device. Once that is done, its time to boot tethered.

How To Boot Tethered iPhone, iPad, iPod touch After iOS 5 beta 4 jailbreak

Step 1: Run redsn0w and select the same iOS 5 beta 4 ipsw.

Step 2: Make sure that you uncheck Install Cydia and check just boot tethered now. Click on next.

Step 3: Follow the step mentioned above to enter the device in DFU mode.

Leave it up to redsn0w now to automatically boot your device tethered. Process can take up to two minutes.

Don't hesitate to ask us for help if you face any difficulties at any step. Just leave a comment below and our team will immediately help you out.

  • Bandysguy2008

    Will this allow us to bypass the UDID registration? I tried registering mine with you guys, but never got an email confirming it was done. I just do not want to make the Iphone usless.

    • MrPOSIX

      Same here

    • MrPOSIX

      Same here

    • Zynga Group

      there are a way to activate ur iDev w/out register UDID but its very complicated. the best way is refer to YouTube. u need to remove some string

  • RJ898

    can I install it on my 3gs and still be able to use at&t? I tried with b3 and had to downgrade to 4.3.3 again because it wouldn’t connect (I’m on 6.15.00 baseband)

    • http://www.iphoneism.com Lota Man

      Yes, you won’t be able to use it since you are on a software unlocked iPhone.

      • mike guttle

        sure but how to go about

  • Theguyser

    I cant’t use my ipod touch because it needs the udid registered!!!! I don’t know how to turn it back to normal….

  • Mikehoggatt

    damn this is pissing me off, please somebody help me. i dl the itunes 10 beta and ios 5 b4 then updated and activated it and everything then i go to jailbreak it tethered style with redsnow 0.9.8.b4 and i do and i reboot iphone and there is a blank cydia icon that i cant use unless i reboot in a tethered state via redsnow. i plug up iphone select the ios 5 b4 ipsw and it says everything is identified correctly then i select just boot tethered for now and it statrts to reboot but for sum reason every freaking time redsnow says its encountered a error and needs to close so i cant reboot in tethered state and thus cant use cydia or safari.. please somebody help me fix this redsnow error////

    • http://twitter.com/neblako neblako

      Same thing =( What am i doing wrong?

  • Jjlowers

    how long will exploiting with limera1n take

    • http://www.iphoneism.com Lota Man

      About 2 mins.
      Sent from my BlackBerry® Smartphone provided by Ufone

      • Jjlowers

        what should i do if it doesn’t finish after like 5 min

  • John

    Redsn0w says it finished the tethered boot, yet my iphone 3gs only shows the pineapple.

  • Kobir_dts

    Sorry Hoi nato re sagol………Kambai hobereeeeeeeeeeeeeee……….

    • Portu

      macha kostre del anafre tubikoe fasta el la bela apple

  • Jer095

    It’s saying it’s unable to recognize the IOS,

  • vipr

    after jailbreaking the beta 7 I just get to the connect to itunes screen. Booting tethered just take me back to the same screen. What should I do?

  • Matthewwoodlang

    please tell me how to do this once more I am screaming at myself trying to complete such an easy task. Cheers, Matt
    btw i cannot get dfu mode only the other one what is wrong?

  • Rui Vilão

    I have a question regarding tethered boot. Some write “if you want to boot into a jailbroken state you have to be connected to the computer”. My question is: do I need the computer at all to boot the device even if I don’t want to be in a jailbroken state. i.e. after the jail break is it possible to boot normally without being connected to the computer?

    EDIT:
    I just noticed that this article is for the beta version. So I ask again the same but for the iOS5 final version.

    • http://www.iphoneism.com Lota Man

      No.

      Sent from my iPad

      • Rui Vilão

        Thanks.

  • Vietvo186

    Hi, i tried to jailbreak my iphone 4 4.3.5 by following those steps. But when i booted tether it, the phone and the software stopped at exploiting with limer for like half an hour and nothing happened. what’s wrong with it? i tried to look for the solution for several days already

  • Iice Cream

    When I try to boot my tethered iPad, it gets stuck on the redsnow (pineapple) logo. Please help!

  • Wam G.

    I installed the redsn0w 9.0 and then a friend i was with restarted it, and cydia was working fine, but then my friend, clicked the just boot button and did the whole process over, and now cydia is opening then closing. What should i do