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  • Apple No Longer Signing iOS 5.0.1


    The inevitable window has finally closed. Apple has officially ended the signing period for downgrading back to iOS 5.0.1 for all iDevices. A5 devices are now immovable from iOS 5.1 if they have been updated until a solution for downgrading can be found. SHSH blobs will not do you any good for downgrading an A5 device at this time.

    A4 devices on the other hand, which support iOS 5.0.1 firmware, can be downgraded only if you have a custom firmware, which has been signed by iFaith or stitched by redsn0w using your APTickets. These firmwares will still downgrade A4 devices because A4 devices contain a bootrom exploit known as limera1n. This is the big difference that sets A4 devices apart from A5 devices as A5 devices do not have a bootrom exploit at this time.

    A5 devices updated to iOS 5.1 do not have an untethered nor tethered jailbreak, meaning if you’re at iOS 5.1 then you are now jailbreakless until a new jailbreak is created for iOS 5.1. A4 devices have the choice to either downgrade back to iOS 5.0.1 or have a tethered jailbreak on iOS 5.1 with the latest redsn0w (0.9.10b6), which was released yesterday. I wouldn’t recommend the tethered jailbreak on iOS 5.1 because many tweaks and Cydia packages are not compatible nor programmed to work with iOS 5.1 yet.

    If you have an A5 device currently jailbroken on iOS 5.0.1, this is your only prerequisite: be very careful what you install on it. If anything goes wrong, forcing you to restore, you will not be able to get back on iOS 5.0.1.

    Thanks for the tip mofodox.
    This article was originally published in forum thread: Apple No Longer Signing iOS 5.0.1 started by Anthony Bouchard View original post
    Comments 58 Comments
    1. moveandstore's Avatar
      moveandstore -
      This is the reason why I did not buy an iPhone 4s yet. There are no bootrom exploits for the jailbreak. We were warned about this. This will continue until there is a way to keep a good exploit in iOS 5. We had a great run when the iPhone 4 came out. Immediately there were jailbreak after jailbreak. Once Apple updated, the JB's were on the case with an update. Now with iOS5 and the A5 chip, the work is much harder. Case in point, the time it took for the 5.0.1 JB. It took a "Dream Team" of JB's to solve the problem. And I for one thank them!!! Now we are back to a tethered JB. I'll stay on 5.0.1 with the untethered on my trusty iPhone 4. It will be close to two years old, but this phone hasn't failed me yet. I like the Siri feature on the 4s, but I can live without it for a while. Lets see what the new iPhone comes up with.
    1. swifty7's Avatar
      swifty7 -
      Quote Originally Posted by Yeow View Post
      Is it the other way round, then you are out of luck
      lol I know I was just kidding!!!!!
    1. mithilaplus's Avatar
      mithilaplus -
      i have iphone 4 ios 4.3.3 i want update my iphone to ios 5.0.1 without updating baseband can i do it,
      Apple No Longer Signing iOS 5.0.1
      Please help me
    1. H4CK3R's Avatar
      H4CK3R -
      I don't really understand why anyone would update to 5.1 It's a pretty useless update if you looked at the update info. It's Apple's way of saying "We're gonna trick you and you are going to fall for it." It's just a trick so you can't downgrade and an exploit has yet to be found.

      @mithilaplus You can't unless it's a custom firmware since Apple is no longer signing iOS 5.0.1
    1. Simon's Avatar
      Simon -
      Ya, not much at all in the update. Only benefit I could see is improved battery.
    1. H4CK3R's Avatar
      H4CK3R -
      Quote Originally Posted by Simon View Post
      Ya, not much at all in the update. Only benefit I could see is improved battery.
      I heard that was the only legit thing that came in that update... Everything else was security patches.
    1. bladerunner88's Avatar
      bladerunner88 -
      So I am on a 4S currently on 5.0.1, I've erased the settings (via settings reset on the iFone) a couple of times as am having some issues with a large "other" capacity. My question is if I D'load the 5.0.1 .ispw and put it in the iphone software update Folder can I restore from that or will bad things happen??

      (something very odd just happened I was able to select it via itunes and holding down the option key, but now the ispw file seems to have disappeared from the folder!)
    1. Simon's Avatar
      Simon -
      No you can't restore to 5.0.1 right now if you have a 4S. No matter what you try.

      Also if you put a firmware file that is not the most recent into the folder where iTunes downloads firmware files iTunes will delete it automatically. That's why it disappeared on you.
    1. H4CK3R's Avatar
      H4CK3R -
      ^^ That
    1. bladerunner88's Avatar
      bladerunner88 -
      Wow Simon thanks for the info, so the only thing i can try is doing the reset again and starting out as a new iPhone? The issue I am having is somehow it seems a particular App is causing my "other" capacity to jump from say 0.44Gb to something like 1.30GB which seems a little ridiculous. last time i was syncing one Apps back one at a time and monitoring the other capacity but then somehow itunes decided to sync 3 or 4 Apps automatically and i lost track as to what caused other to shoot to 1.31Gb.

      Cheers.
    1. edtrodrigues's Avatar
      edtrodrigues -
      Any news regarding untethered jailbreak for iOS 5.1?

      I have a ******* Gevey SIM that does not work in tethered jailbreak.

      WARNING: do not upgrade to iOS 5.1 if you use Gevey! Unless you want not to jailbreak your iPhone!
    1. Simon's Avatar
      Simon -
      Quote Originally Posted by bladerunner88 View Post
      Wow Simon thanks for the info, so the only thing i can try is doing the reset again and starting out as a new iPhone? The issue I am having is somehow it seems a particular App is causing my "other" capacity to jump from say 0.44Gb to something like 1.30GB which seems a little ridiculous. last time i was syncing one Apps back one at a time and monitoring the other capacity but then somehow itunes decided to sync 3 or 4 Apps automatically and i lost track as to what caused other to shoot to 1.31Gb.

      Cheers.
      I wouldn't even do that if I were you. That erase option in settings is known to cause boot loop. Especially if jailbroken. If that happens you will be forced to 5.1.
    1. xclusiveiphone's Avatar
      xclusiveiphone -
      iH8Snow recently twitted that he found a apticket loophole that will allow all a5 devices to revert back to 5.0.1. You will see the tweet under pod2g's twitter.
    1. bladerunner88's Avatar
      bladerunner88 -
      Currently a virgin iPhone on Verizon, made the switch from T-Mo and an unlocked 1st Gen! After a friend dropped it and the touch screen froze. It still knows its an iPhone and mounts in iTunes and will play music when hooked to car stereo but slide to unlock will not work no more.
    1. Simon's Avatar
      Simon -
      Quote Originally Posted by xclusiveiphone View Post
      iH8Snow recently twitted that he found a apticket loophole that will allow all a5 devices to revert back to 5.0.1.
      Yes, but you still need your 5.0.1 shsh and who knows when he will have something ready and release it.
    1. xclusiveiphone's Avatar
      xclusiveiphone -
      Quote Originally Posted by Simon View Post
      Yes, but you still need your 5.0.1 shsh and who knows when he will have something ready and release it.
      Yes, but the all of the current method to downgrade requires the shsh files. I'm just concerned about him releasing a working application for it. Correctly me if I'm wrong.
    1. EVO's Avatar
      EVO -
      Quote Originally Posted by xclusiveiphone View Post
      iH8Snow recently twitted that he found a apticket loophole that will allow all a5 devices to revert back to 5.0.1. You will see the tweet under pod2g's twitter.
      dont expect it any time soon, he says more likely when either the new iphone is released or a new firmware, because if he releases it now, apple will patch it up pretty quickly

      also the jailbreak code contains some of Apple's copyrighted code, so there are legalities to consider
    1. Simon's Avatar
      Simon -
      ^exactly. May be awhile. So I don't even mention it to people right now. Save whatever shsh you can and hope he can get something working and released to the public at some point in the future. Til then restoring to anything but current firmware is not a reality for A5 devices.