If your iOS device (or devices) is jailbroken, we hope you heeded our warnings not to update to iOS 5.1. As expected, the latest software update for Apple’s mobile OS breaks both the Corona untether and the Absinthe exploit in one fell swoop.

Even though Apple released iOS 5.1 on Wednesday, alongside the announcement of its new iPad, it continued to sign 5.0.1 firmware over the last 48 hours or so. Well, now it looks like that window has closed…

As noted by ModMyi, Apple has stopped signing iOS 5.0.1 for all devices. This means that downgrading your iPhone, iPad or iPod touch from 5.1 to the previous version will now be more difficult, or even impossible, depending on your situation.

Folks with an A4 device that updated to iOS 5.1 can still downgrade back to 5.0.1 if you did the necessary prep-work. Those that have an iPad 2 or iPhone 4S, however, have no way of doing this.

Why is this a big deal? Well there is currently no jailbreak available for iOS 5.1, and we don’t have any idea when one will be available. Users with older (A4) devices can try to jailbreak via RedSn0w, but it’s a tad bit sketchy, and yes, it’s tethered.

  • what about if you saved your SHSH for 5.0.1 prior to this? (A5 Device)

    • Anonymous

      Even if you had saved SHSH Blobs in an A5 iDevice, it will not be possible to downgrade

      • Alvin Carreon

        I got an ipod touch 3g and I’m stuck at 4.3.3. Reading the above post “Folks with an A4 device that updated to iOS 5.1 can still downgrade back to 5.0.1 if you did the necessary prep-work.” Now I’ve done the prep-work. I have a copy of my 5.0.1 blob and stitched it with a 5.0.1 firmware saved on my pc using ifaith. Now I’m wondering if I can come back to ios 5.0.1 if I upgrade to 5.1?

      • if you have 5.0.1 blobs and made custom firmware with iFaith, then you can.

      • Anonymous

        You don’t have A5 processor, so you can downgrade to 5.0.1 if you save your SHSH Blobs….

    • nothing so far, on any a5 devices its not possible to restore back to ios5.0.1
      its possible for a4 devices though, through the limera1n exploit.

    • sn0wbaLL

      wont work for i4s

    • Matt Lewis

      “Those that have an iPad 2 or iPhone 4S, however, have no way of doing this.” – A5 devices. It’s impossible for now, sorry : How long do you think it will take to get a jailbreak out for A5 devices? 1 year.. 2? :I

      • Jex

        i think 3 months… as per the last one came out… wait until you update..

      • Jex

        i think 3 months… as per the last one came out… wait until you update..

    • Anonymous

      You can’t downgrade on a A5 device unfortunately, even with SHSH Blobs.

  • What about iPhone 3GS , is that always untethered?

    • only 3GS with old bootrom

  • Anonymous

    Oh goodness. My anticipation has left me without an unlock…

  • I’m still on iOS 5.0.1 (iPhone 4S).

    IF there is ever a reason I have to RESTORE my device, can I do so using my SHSH blobs? Since I haven’t upgraded, but just need to restore?…

    Being a developer I have to restore fairly often, and I would hate to lose my JB. Not very familiar with SHSH blobs, as I’ve never had to use them before.

    • Restoring would require going to 5.1 even if shsh is saved on 4S

    • Yes I have the same question! Can we Restore for some reason to 5.0.1 on our A5 Devices if we are on iOS 5.0.1 and have our SHSH Save!

      • Anonymous

        No not at the moment

  • A friend is asking:

    Is it still possible for ipad 2 with 4.3.3 to upgrade to ios 5.0.1?

    • John Nathan Madrigal

      No ones apple stops signing 5.0.1 which they have already you can only update to 5.1.

      • Eremae Nicole Ramos

        what if I try to restore using a 5.1 frimware then it says it’s not compatible. what to do?

    • No Apple stopped signing it.

    • Jex

      too late..

  • Have you ever had that Feeling when you want to call it quits? Play by the rules and just use your phone? Times like this make me want to just upgrade and forget about jailbreaking.

    • Anonymous

      Why??? I hate my phone being shackled up by apple. Why should I play by their greedy restrictive rules when I can be jailbroken?? And besides, what is it about 5.1 that you so desperately want? It sucks..

  • Can I use tinyumvrella to restore?

    • Jex

      not for A5 devices…

    • Jex

      not for A5 devices…

  • Can I use tinyumvrella to restore?

  • Please help:
    I have an iPad 2 running 4.3.3 and totally forgot to update it, now I can no more update it to 5.0.1 cauz apple is not signing it. Is there a way to update to 5.0.1 without apple verification?
    PLEAAAAAASE HELP i have 5.0.1 on 4 of my iPhone and I so need ios 5 on my iPad, but without jailbreak, it’s nothing.

  • I’m scared. I’m f@&king scared

  • I’m scared. I’m f@&king scared

  • Anonymous

    I have an iPad 2 running IOS 5.0 and i’ve trying to restore to IOS 5.0.1 and i am encoutering error 3194 – The iPad could not be restored. Any ideas?

    • Your only option is 5.1

      There ain’t no jailbreak there dude.

  • There isn’t really anything to gain by 5.1. If it was packed full of new features then I may consider it. No one even seems to be saying battery is any better on i4S

    STAY AWAY !!

  • How’s the sig system work? I wonder if the exchange could be hacked, so apple *thinks* it’s signing a 5.1, when it’s really signing the hash of a 5.0.1 ?

  • Hey guys, would going from iOS 4.3.3 to iOS 5.0.1 with saved SHSH blobs work right now? I’ve tried it with TinyUmbrella and I get keep getting errors.

  • Anonymous

    Hi
    I’m on iphone 4 ios 5.0 tethered jailbreak with baseband preserved. Now i want to upgrade to ios 5.0.1 with baseband preserved. I created custom firmware with snowbreeze 2.9.1. when i click shift+restore in itunes, after processing the file its throwing error 3194. i tried doing this many times. even added ip address in windows host file.

    let me know whether it is possible now to update from 5.0 tethered to 5.0.1 untethered?

    pleassssssssssssssss help me……..

    thanks

  • ACD Cell

    Apple won’t us to choose any iOS we wanted…it’s strictly their rules. how dare Apple…..!!

  • Alvin Carreon

    i got an ipod touch 3g and i’m stuck at 4.3.3. reading the above post “Folks with an A4 device that updated to iOS 5.1 can still downgrade back to 5.0.1 if you did the necessary prep-work.” now i’ve done the prep-work. i have a copy of my 5.0.1 blob and stitched it with my ios 5.0.1 saved on my pc using ifaith. now i’m wondering if i can come back to ios 5.0.1 if i upgrade to 5.1?

  • ok im kind of confused about the whole apple no longer signing all ios 5.0.1 devices.. i have an iphone 4 and i updated to 5.1. If i can find someone who is still on the 5.0.1, can i just get the shsh blobs using their phone? or will i still be unable to downgrade with that? lmk thanks 🙂

  • i have an ipad 1G on ios 4, i have downloaded the ios 5.0.1 but not installed yet,
    is it possible to install 5.0.1 on it? or its too late for me?
    waiting for a response plz 🙂

    • Alvin Carreon

      nope you can’t directly upgrade from ios 4.x to 5.0.1 because apple has stopped signing 5.0.1. what you should do is make a custom firmware using redsn0w or ifaith considering you saved 5.0.1 shsh blobs. then first upgrade to 5.1 then downgrade to 5.0.1 using your 5.0.1 custom firmware. that’s what i did.

  • Hey guys, i got iphone 4 with iOS 5.0.1 and i was looking all around but would really like someone to tell me here, is it possible that i restore 5.0.1 now and jailbreak it untethered? my iphone is in bad shape and should really be reinstalled, thanks

    • AbSoLuT ZcC

      Hello Guys,

      I have a question for you, if you have time of course.
      I am currently traveling around the world for a few months, without laptop, and I took with me my iPad 1 (with iOs 4.3.3 jailbroken).
      I would like to upgrade it to iOs 5.0.1 (since untethered if I am right).
      But as I can read, apple has “stopped signing it” (no clue of what it means, lol) so I guess I cannot right now, and I have to wait for 5.1 to be jailbroken, right?

      Thank yu and sorry for my poor english.

      P

      • Alvin Carreon

        have you tried upgrading to 5.0.1 in the past and went back to 4.3.3?