Which iPad1 compatible iOS is till being signed besides 4.3.5?

Discussion in 'iPad Hacking' started by zeroweaver, Sep 22, 2011.

  1. zeroweaver
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    zeroweaver iPF Novice

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    I have looked everywhere on google but can't find an answer. Does anyone know of any older iOS that is still being signed by apple and that works on the iPad1? (other than 4.3.5)
  2. Poser
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    Poser iPad Junkie

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    nope...only 4.3.5.

    why?
  3. SweetPoison
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    SweetPoison iPad Legend

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    There is not anything older.
  4. zeroweaver
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    zeroweaver iPF Novice

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    I want an untethered jailbreak for my iPad that's currently running 4.3.5.
  5. zeroweaver
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    zeroweaver iPF Novice

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    I have no saved shsh blobs.
  6. Poser
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    Poser iPad Junkie

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    jailbreak 4.3.5, nothing is wrong with it.

    i had a tethered jailbreak before, i managed.

    the iPad have a good battery life, makes it easier.
  7. Gabriel1
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    Gabriel1 Super Moderator Staff Member

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    No blobs means you can't go back so no unteathered jailbreak I'm afraid.

    The Archangel
  8. f4780y
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    f4780y Super Moderator Staff Member

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    Have to agree with poser, a tethered jailbreak on iPad is no big deal (unlike the iPhone which is more challenging). You hardly ever need to reboot an iPad and there is no excuse for running out of juice and being caught without a charger when out and about on your daily travels due to the size of your iPad's battery.
    I lived with a tethered jailbreak on 4.2.1 for over 2 months and never had a single problem.

    Once you have installed the first few significant jailbreak tweaks which cause your iPad to reboot (like mobile substrate, MyWi, etc.) then there is very little in Cydia which will ask you to reboot your iPad once it has been installed, so a tethered boot is usually only a hassle for the first few hours of working with a tethered jailbreak.

    Hope that helps.
  9. SweetPoison
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    SweetPoison iPad Legend

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    Me too!

    Right? Or no?
  10. f4780y
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    f4780y Super Moderator Staff Member

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    Yeah, you're right Marie, you had a tethered JB for quite a while too when on 4.3 if I remember correctly. And if you didn't have any great problems then it must be OK! ;)
  11. SweetPoison
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    SweetPoison iPad Legend

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    Yay! Good. Cool, then.:)
  12. zeroweaver
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    zeroweaver iPF Novice

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    What are the chances there will ever be an untethered jailbreak for the iPad1 A4 in the future? 4.3.5 untethered ever? Also will iCloud force me to upgrade with every new iOS version?
  13. Mickey330
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    Mickey330 Administrator Staff Member

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    No one really knows for sure what is going on with jailbreaking right now. I believe iOS 4.3.5 was jailbroken, tethered, for the iPad1 to hold those owners over until iOS 5 came out. As of now, iOS 5 (the betas) are jailbreakable ... but tethered. I have hopes that, once the official version comes out, we iPad1 owners will see an untethered iOS 5 jailbreak (and I know that iPad2 owners hope the same!).

    So far, that we know, any over-the-air updates still have to be accepted by the user. So, you don't have to upgrade. I figure it'll be the same as with iTunes, where you can ignore (maybe permanently) any upgrades Apple wants to push on you.

    IOW - we really have to wait and see what the future brings. It'll be different, that's for sure. Hopefully, a GOOD different though...

    Marilyn
  14. f4780y
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    f4780y Super Moderator Staff Member

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    Some folks like to say never, but as others say, you should never say never... :)

    Apple patched the exploit used by ion1c to untether the 4.x jailbreaks in 4.3.4 and it is a lot of hard work and effort to discover a way to untether a jailbreak.
    With IOS 5.0 just around the corner the question is why would a talented jailbreak developer waste any of their time searching for, and assuming they find one, then exploit a bug to make an untether for 4.3.4 and 4.3.5, which are already more of less obsolete?
    Doing this stuff is not trivial. It takes many weeks / months of hard slog. That is why most folks say it will never happen. Nobody who has the skill to develop it is motivated to do it. They are spending their time finding exploits for IOS5 (and as we know from recent news they have 5 userland exploits already in their bag)!

    If you want to be a little more optimistic, one of the userland bugs discovered for IOS5 may actually one day allow the 4.x versions to be untethered too. But there is no way that will be released until a 5.x jailbreak is well and truly out. Then and only then you might see an untether for them, but that is a really long shot and by the time it comes out you will probably rather want to be on the 5.x jailbreak it is associated with...

    There is a fairly good chance IMHO that once you are committed to iCloud you will have to keep up with the major IOS5 updates to some degree, but it is highly unlikely Apple will force you to take every singe minor IOS point upgrade in order to keep using the service. That just is not practical. You can't stop folks from using their device just because they are not in a position (for whatever reason) to do a minor point update, whether it's OTA or via iTunes. It would also be a logistical nightmare for both them and us to manage, particularly in a corporate environment.
    It is more likely to be a little more flexible and tied to major point releases. e.g. 5.x. for certain features so that their millions of users are not disadvantaged.
  15. glittergirl
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    glittergirl iPF Novice

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    I don't keep up with JB news as much lately but my guess was what others have mentioned-it's not worth the time and using another exploit with iOS5 so near.

    On the bright side a tethered JB seems workable on the iPad because of the long battery life. And if you've got enough experience with previous updates to know which things in Cydia are going to require a reboot upon install, you can work with that. On my iPhone, as such a heavy user with so much important data on it, as my only phone, and with the rate I burn through battery, as much as I love JB I wouldn't even consider it for a second. Recipe for disasters. But like JB in general I think so much of it is individual-how much/often you use it, what the most important JB mods are to you, your chance of being near a computer you can use to boot it (I don't have admin rights at work and thus would never have RedSnow handy there) etc.
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  16. zeroweaver
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    zeroweaver iPF Novice

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    I have few questions for whomever knows enough to help pertaining to iPad1 3g/A4 Chip/iboot 574.4/4.3.5 iOS tethered jailbreak. Anyone answering please be as DETAILED as possible. I have spent many hours on google reading one vague answer after another. I'm looking for detailed, technical answers. Please, no obvious answers. (Example if I ask: "What is a bootrom?" I don't need someone to tell me "It's a chip in the iPad that handles bootups.") I dont want anyone to think I am ungreatful. I just need more details than all the answers to the same questions I found searching. I search in depth before asking a question someone else may have already answered. So 99% of the time when I post a question its because I could not find a satisfactory answer searching (and I don't give up easily when searching).

    1) What is the flow of logic that requires the shsh blobs? Also what is the exact boot sequence? (A4 iBoot 574.4)

    2) Exactly why has no one been able to fake a signed shsh blob?

    3) Is it the iboot file on the bootrom that prevents an untethered jailbreak?

    4) Is 4.3.5 the last iOS that will not require my apps to be "pushed" to my iPad on every boot? (iCloud require that?)

    5) What are the pros/cons to my iPad having the A4 chip?

    6) Baseband: What exactly is it? Is it stored on my bootrom? What does it do other than lock me into a specific carrier? Should I care about it with an iPad1?

    7) How do I know if I have saved my current 4.3.5 signed shsh blobs just in case I need them later?

    8) What exactly is UDID faker and do I need it?

    9) Is there a way for me to record the data flow between my computer and iPad during tethered boot? Can I make my own bootup dongle like the "iDongle"? If so, what would I need?

    I'm a bit of an information junkie. It's not unheard of for me to sit at my computer researching for 8+ hours strait. I have learned a lot about jailbreaking but still got a lot to learn. I want to learn as much as I can and start doing my own custom hacks/jailbreaking. In other words, I want to become like a dev.
  17. glittergirl
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    glittergirl iPF Novice

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    No idea about any of your questions, but someplace like the dev team blog might be a place to start. They often have a lively comments section. My head starts to hurt and I shut down when things get down to the level of actual coding. :) I'm super new here though so others will probably have much better suggestions. Developer forums or boards might be a good place to look for these types of answers.
  18. f4780y
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    f4780y Super Moderator Staff Member

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    @ zeroweaver - hopefully some of these responses help... Others can feel free to correct me if I've got something wrong.

    Boot sequence is LLB (Low Level Bootloader), iBoot, then IOS Firmware. iBSS and iBEC also come into play depending on whether your device is in recovery mode / DFU mode, etc. I don't have a detailed flow between device, iTunes, and Apple servers for blobs. Sorry.
    Because it's a securely encrypted signature. Without the encryption key you are never going to break the security or make fake blobs.
    Short answer, yes. You are forced into a tethered situation if one or more signature check will fail due to the jailbreak. A tethered device is able to boot-up using a bootrom exploit such as limera1n which allows you to bootstrap to a pwned iBSS, iBEC, or iBoot to finish the boot process, but you cannot make the change stick between boots.
    No. iCloud has nothing to do with pushing you apps to your iPad on every boot. It is just cloud storage. Your apps still need to be installed on your iPad just as they do now. There is no special cloud booting magic involved.
    I don't know how to answer this question, it's a little too vague. One pro of the A4 chip is we know it has a flaw which can be exploited, i.e limera1n, so there will always be a way to have a tethered JB. But thats only relevant for iPad1.
    The baseband is the OS of the modem on a 3G capable device. So it is the modem firmware. No, it's not stored on the bootrom. It is installed just like IOS in it's own area of storage. The baseband runs the modem operations. It's main job is to do that, not to lock you to a carrier. That is only one very small feature, and most iPads are unlocked by default in any case. There is very little point in being interested in the iPad baseband, it is only of real interested to the iPhone world.
    Follow this tutorial - http://www.ipadforums.net/jailbreak...01-how-save-your-shsh-blobs-tinyumbrella.html
    It has little to do with legitimate hacking. You don't need it, and you won't get any help with it here as it tends to stray into the territory of app piracy.
    I mean no offence, but based on your level of knowledge at this stage of your journey I think you are probably quite a way from being able to attempt anything like this. You are getting into the realms of needing to understand a great deal about how both your PC's OS as well as iTunes, and the iPad. Intercepting traffic is all very well, but then you need the skills and knowledge to understand it, usually a good knowledge of Assembly language or similar is a good starting place.
    Building a dongle is non-trivial electronics project but it's not something I would be able to assist you with. Sorry.
  19. SweetPoison
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    SweetPoison iPad Legend

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    You are so smart, Leigh! Does it come naturally, or do you have to work at it?:)
  20. zeroweaver
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    zeroweaver iPF Novice

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    #3 Is that because the LLB is hard written onto the bootrom? What changed between 4.3.3 to 4.3.5 that killed the untethered jailbreak?

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