TUTORIAL - Re-restore IOS 5.x on iPad2 and iPad3 using redsn0w and SHSH Blobs

Discussion in 'Jailbreaking & Hacking Tutorials & How-To Guides' started by f4780y, Oct 14, 2012.

  1. chaoscreater

    chaoscreater iPF Noob

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    I'm having the EXACT same problem! Every time I use redsn0w to downgrade to iOS 4.3.5, it ALWAYS works. But whenever I tried to downgrade to 5.1.1, it always shows "Wouldn't start service". I followed everything on the 1st page and read through everyone's comments in all of the pages. My TinyUmbrella and host file etc are correct (otherwise I wouldn't have downgraded to iOS 4.3.5 using redsn0w). But somehow I just can't downgrade to 5.1.1, and YES I DO have the 5.1.1 shsh blobs saved. I tried both local and remote but still shows "Wouldn't start service"......

    Oh and my iTunes is the latest v11.2.


    NVM got it working!!!

    I dunno what I did, but I think it's because I upgraded to the latest firmware (iOS 6.1.3 as of this writing) then trying the exact same method again. So ya, redsn0w downgrades to iOS 4.X (which is iOS 4.3.5 for me as that's the only one that has my saved shsh blobs), then upgraded to iOS 5.1.1 (again, with my saved shsh blobs) and somehow it went through perfectly without the "wouldn't start service" error.
     
    Last edited: Apr 13, 2013
  2. upgrade

    upgrade iPF Noob

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    I've been struggling on this for a day now I cant get it to 5.1.1 or 6.0.1.. I have the same setup Ipad 2 - 4.3.5... I only can downgrade but can upgrade pass 4.3.5. I usually get an error message 3194 if I upgrade to 6.0.1.. When I upgrade to 6.1.3 and downgrade to 6.0.1 or 5.1.1 it gives me an error message. The only ipsw i can downgrade to is 4.x without error. Can you tell me exactly what you did? Did you use local or remote?

    Haha NVM too I guess I figured it out.. I closed redsn0w and restarted under run as admin and it worked. Now, will this work with 6.0.1?
     
    Last edited: Apr 16, 2013
  3. chaoscreater

    chaoscreater iPF Noob

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    Hey man, well first of all I didn't get a particular error number like your "3194" or whatever. I simply got the message "wouldn't start service", that's it. Secondly, I tried both local and remote, and already ran redsn0w as admin since the start. It just somehow worked after so many tries, dunno how I did it because I didn't change my method or anything else, I just kept trying the same procedures.

    As for 6.0.1, I've tried that but there was a problem with aptickets, so I stayed on 5.1.1 in the end.
     
  4. Broxin

    Broxin iPF Noob

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    As i see noone upgraded in the last time i have a Problem here :-(

    i wanted to re-restore my iPad2 3G Wifi GSM from 5.0.1 to 5.1.1.

    i have blobs (SHSHs) for 4.3.5 / 5.0.1 / 5.1.1

    as i ran this tutorial readsn0w completed with an error 37. i disabled and uninstalled all AV and Firewall software and now it gets to a point where it says :
    couldn't obtain fresh baseband blobs,it's probably no longer being signed.
    baseband : ICE3_04.12.05_BOOT_02.13.RELEASE.bbfw

    60cGUgU.png


    now only one forum was a chinese one where they had the same problem (they updated the 3G iPad also in the last month)and said that with the ios 7.0.2 the iPad baseband changed and the old one is not signed anymore


    should i stitch a 5.1.1 firmware with the newest baseband from the 7.0.2 firmware with the TinyCFW app and try the rerestore again ?

    Damn !! i needed the ipad with a new nav app i wanted to buy for a trip tomorrow and now this poop...

    i would loove if i would get some help before i update the baseband and make a mistake :-/


    EDIT: i tried it on another clean laptop with a fresh installation of everything with out tinyumbrella installed ever in it (ofcourse also the newest itunes.)
     
    Last edited: Nov 24, 2013
  5. willerz2

    willerz2 iPad Addict

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    You can try using TinyCFW to preserve the baseband then use the custom firmware made with RedSn0w. The idea of it would be almost identical to that of the iPhone 3G/3GS/4 and RedSn0w's baseband preservation.

    If not, depending on which specific app you're referring to, you can modify the device check to work with 5.0.1 if it requires 5.1/5.1.1 and above, but that's assuming it's not calling on the later aspects of iOS 5.1+.
     
  6. Broxin

    Broxin iPF Noob

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    hmm right now, tinycfw wont run on any win7 machine at my home :-(
    well my iPad is in recovery mode because the rerestore failed. i cant use it, tried everything. installing 4.3.5 gets me the same error.

    is this a error on my side or is this normal now for the 3G ipad2 and users have to wait for an update of redsn0w ?

    can i just do this here :

    can i just put the new baseband into the 5.1.1 ipsw so redsn0w can do the update ?

    as i understand it the redsn0w needs to ask apple for the actual baseband signing online, am i right ?


    i dont want to upgrade the baseband if it will prevent me to do a jailbreak of my ipad2 in the future. but as it seems i cant restore it either right now :-(




    also i found this here :-/
    i installed in the past the 5.1.1 but gone back to 5.0.1 for a long time. the re-restore worked fine then.
    i have saved a info file with the "Identify" function of redsn0w from my ipad as it was on 5.0.1 where it says that i had a BaseBandVersion 04.12.05
    which confuses me because this version was introduced by Apple first in IOS 6.1 that i NEVER installed :-/



    EDIT:
    i cant use the "Select IPSW" and "Custom IPSW" option in redsn0w because its not supported for ipad2 :-/
    so even if i put in the newest baseband from the 7.0.4 i dont know if i can install it :-(


    what do you experienced guys think i should do ?
    will the new ICE3_04.12.09_BOOT_02.13.Release baseband from ios7.0.4 prevent redsnow from restoring the device into 5.1.1 ?
    (if it will ever work to putting the new baseband into the 5.1.1 ipsw like mentioned above)



    EDIT:
    well... woow
    is this true for redsn0w also ? so everyone with a 3G ipad2 now that tries re-restoring with this method here will be stuck with a nonworking ipad ?




    EDIT:
    Nice, as musclenerd tweeted on 26.09.2013 :
    so the re-restore feature is obsolete for ios 5.x.x on an ipad2 3g GSM as it seems...




    have you guys any solution ?


    you should include a warning in the guide on the first page
     
    Last edited: Nov 24, 2013
  7. oregonmike

    oregonmike iPF Noob

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    You should be able to downgrade
     
  8. willerz2

    willerz2 iPad Addict

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    It does not. Re-restoring works on the iPad 2 and iPad 3 going from iOS 5.X to 5.X as stated in the original post. Only the iPad 2 can be downgraded to iOS 5.X because it uses iOS 4.X as a bridge. If the iPad 3 did have iOS 4.X developed for it (theoretically), then yes, you can downgrade back to iOS 5.X assuming you have blobs.
     
  9. kidneyshot

    kidneyshot iPF Novice

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    I had THE same problem and now I have the newest iOS . There is sth wrong with the baseband and the guide should be rewritten since I think some steps has change and it's very unclear what to do.
     
  10. willerz2

    willerz2 iPad Addict

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    It's a long shot, but see if using TinyCFW to create a baseband preservation IPSW, then using that with RedSn0w works around the issue. I haven't kept up with the baseband changes on the iPad since iOS 5.1 and I haven't had the luxury to try it out on a data iPad :X
     
  11. Broxin

    Broxin iPF Noob

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    this wont work either because:
    1: if you want to flash a cfw to an ipad you need to use an old version of itunes and an old version of itunes does NOT
    work with the newest version of the ios7.0 baseband firmware stitched to the ios 5.1.1.

    there is NO way at the moment to downgrade, as the only app that is capable of doing it is redsn0w and it is NOT updated for the newest baseband. so only option is to wait.

    oh and baseband PRESERVATION does not work on an ipad2 3g gsm. the baseband HAS to be upgraded to the newest version everytime you do a restore.

    sad the thread creator does not reply or edit the main post with a warning...
     
    Last edited: Dec 3, 2013
  12. f4780y

    f4780y Super Moderator Staff Member

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    This is an internet forum, and I'm sorry you feel the need to criticise the current accuracy of a post that I created over a year ago, and worked perfectly well for many months and for countless re-restores, and is still perfectly valid for non-cellular devices.

    It isn't possible on a forum such as this to keep every post up to date with the latest information for every permutation of device and firmware in the market, but it was never anyones intention to ignore the fact that this guide is no longer valid for 3G devices, so a warning will be placed on the front page.
     
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  13. Broxin

    Broxin iPF Noob

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    Sorry f4780y, wasnt my intention to critisize your work here, i got emotional about this issue.

    dont wanted to get you angry, love this board here.

    peace again please :)

    Bye
     
  14. santic

    santic iPF Noob

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    Hi, i tried the method but now i got an iPad 2 in a looped Recovery Mode. Here's what i've done:

    I had a 4.3.3 wi-fi jailbroken iPad 2 and i wanted to update to iOS 5.x. I had blobs for version 4.3.5, 5.1.1 and some for iOS 6. The thing is in order to upgrade to iOS 5 i had to use a restore file and blobs of an iOS 4. So i tried to install 4.3.5, and sometimes it said that "Service wouldn't start". I got the chance to finish the installation once, but after that mi iPad keeps turning on in Recovery Mode and despite all my attempts to get it out of that state, it keeps doing that. Can anyone help me? the problem is that i cannot go back to 4.3.3 because i dont have the blobs-

    Also i've tried to upgrade to iOS 5 via redsn0w but i couldn't do it

    Please tell me i'm not f----- up
     
  15. willerz2

    willerz2 iPad Addict

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    Restore to iOS 7 fresh, then downgrade. Assuming your iOS 5 blobs includes working APTickets, you can downgrade through the iOS 4.3.5 blobs to bridge.
     

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