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YES! Solution to downgrade iOS 4.3b3 to 4.2.1

Discussion in 'iPad Hacking' started by torarne70, Feb 4, 2011.

  1. torarne70
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    torarne70 iPF Noob

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    I found a solution to downgrade the iOS on my iPad from 4.3b3 to 4.2.1:)*I had IOS 4.3b3 on it. what I did was to upgrade to 4.2.1. Upgrade with shift+upgrade and used orginal iOS 4.2.1. You wil get an error in iTunes ignore it. Use tinyumbrella to kick it out of recovery it will start normal and ask for unlock kode ignore it. then i run Greenpos0n RC5_2. and you have IPad on iOS 4.2.1 jailbreaked :D


    Update!

    Just do a iTunes shift+restore and select iOS 4.2.1. you wil get error 1015 ignore it. just run Grenposi0n RC5 and you ar on 4.2.1 jailbreaked :) YES!!
    Last edited: Feb 6, 2011
  2. crushuk
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    crushuk iPF Noob

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    I also can confirm this works, Been trying to downgrade for quite while but could never get pass that passcode.. :)
  3. ZibaWal
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    ZibaWal iPad Fan

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    So for iPad either u have to stock upgrade to 4.2.1 before jb or how and what is doing in dfu and how? Any advantages?
  4. gentlefury
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    gentlefury iPad Guru

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  5. torarne70
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    torarne70 iPF Noob

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    Update :)

    You don't need Cydia shsh blobs for this on to work, like the sticky thread needs. In iOS 4.2.1 and 4.3 beta's Appel has baseband check that make it impossible to use Tinyumbrella or Cydia to downgrade. :)

    Update! Just do a iTunes shift restore with iOS 4.2.1. you wil get error 1015 ignore it. just run Grenposi0n RC5 and you ar on 4.2.1 jailbreaked :) YES!!
    Last edited: Feb 6, 2011
  6. Ksane
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    Ksane iPad Fan

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    Yes, works great! This is going to help a lot of people.
  7. ocdetails
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    ocdetails iPF Novice

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  8. ziafaiz91
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    ziafaiz91 iPF Noob

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    thank you so much love you bro for this..!!

    hey bro you must be fine,
    i love you bro for this. i was just trying this for last 3 months since the first 4.3 beta was released.. and i was tired of trying like hell....love you bro....
  9. Jasonc84
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    Jasonc84 iPF Novice

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    Hey I'm having trouble with this, whenever I try to do the shift restore and select 4.2.1 I just get a message that says device not eligible, no error message or anything then it just kicks me back to the main itunes restore area.
  10. mopar
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    mopar iPF Novice

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    I get error 3194 any ideas
  11. desgho
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    desgho iPF Novice

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    my ipad 1 came with a stock 4.3. Is there any way to download it because i dont have SHSH saved.
  12. g00ber
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    g00ber iPF Noob

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    I'm on the same boat as you.
    I bought a second-hand iPad with 4.3 already in there.
    Any way to downgrade to 4.2.1?
    Will this downgrade method work?
  13. Chiangx
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    Chiangx iPF Novice

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    Try jail break ipad 4.3 first use snowbreeze . and then open cydia , see in top, shsh 4.3 or shsh 4.2.1,4.3 . , if u just have shsh 4.2.1,4.3 , thats ur ipad 100% will succes downgrade
  14. f4780y
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    f4780y Super Moderator

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    You can only downgrade your iPad if you have SHSH blobs saved for the version of IOS you want to go to. Blobs are unique to your device and cannot be spoofed.
    Since your units are factory fresh with 4.3 installed there will be no chance for you to downgrade as things stand. If however they were refurb units and somebody saved SHSH's before for the device, then you would be able to downgrade.
    An easier way to check than what Chiangx suggested is to download tinyumbrella (google it) and this will tell you what SHSH's you have without having to jailbreak first. Most likely it will be 4.3. though. Sorry.

    Hope that helps.
  15. SweetPoison
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    SweetPoison iPad Legend

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    So TU's purpose is to tell you what SHSH's you have?
  16. mopar
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    mopar iPF Novice

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    Any work around for that if you don't have 4.2.1 shsh? can it be added to device if jailbroken?
  17. f4780y
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    f4780y Super Moderator

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    its purpose is to save your SHSHs locally on your PC, and optionally serve them up to iTunes when you do a restore or update. A nice by-product is that you can find out exactly what shsh you have without being jailbroken!

    Hope that helps...
    Last edited: Mar 23, 2011
  18. f4780y
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    f4780y Super Moderator

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    No workaround. Otherwise there would be no point in Apple using them...
  19. SweetPoison
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    SweetPoison iPad Legend

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    Oh! Okay. Got it! Thank you!
  20. graywolf
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    graywolf iPad Super Guru

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    Yep. Apple closed the shsh for 4.2.1. So as f4780y said, you can't downgrade without it.

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