TUTORIAL - Failsafe method to restore the current version of IOS

Discussion in 'Jailbreaking & Hacking Tutorials & How-To Guides' started by f4780y, Nov 7, 2011.

  1. cintoy
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    cintoy iPF Noob

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    I see. Thanks
    I am still new to iPad so I might ask silly questions like the one below. =p
    Will the apps I got from JB disfunction after I upgrade to 5.1?
  2. Mickey330
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    Mickey330 Administrator Staff Member

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    What apps are you talking about, specifically? And from where did you get them?

    If you got them from Cydia, they will be gone (because you'll have no jail break). If you got them from the App Store, they'll be fine on the new iOS.

    Marilyn
  3. cintoy
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    cintoy iPF Noob

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    Yup.. those I got from cydia.. Understood.

    But now I become more confused.
    I can sync the apps I got from cydia to iTunes.. I can recover those cydia apps to my ipad (still in JB status) but all the data files inside are gone..
    I got this reading comic apps from cydia... I have downloaded few manga chapters. But accidently removed the apps during the sync with iTunes.. Then I sync-ed it back to my iPad, but all the chapters I downloaded earlier are gone.. T-T:(
    Is this how it was supposed to be? No back up data for Jailbreak apps?
  4. galexa
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    galexa iPF Noob

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    Thanks for the walkthrough. I've gone through the steps multiple times but still get error 21.

    I'm on a Mac and there's no special AV / Firewall s/w other than what's built into my router and I've updated my phone to 5.1 without problems. The iPad hasn't been jailbroken. I can edit the hosts file - no Apple IPs in there. Hardware Growler tells me it's in DFU mode so I'm fairly sure I'm doing all that ok.

    Anything else I can try?

    Thanks.
  5. f4780y
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    f4780y Super Moderator Staff Member

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    Are you using the cable that came with your iPad? 3rd party and older iPhone / iPod cables have been known to cause problems with the restore. Try a different cable and make sure you are not connecting via a hub (connect directly into the Mac).
  6. galexa
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    galexa iPF Noob

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    Thanks for the suggestions. I've tried a few different cables - one of them must be the original - and two different computers without hubs :-(
    The only other thing that I can think that's changed since upgrading the phone is a new version of iTunes, which makes me wonder if Apple broke something. It's less than 4 months old so I guess it's a trip back to the Apple store. Sigh.
  7. f4780y
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    f4780y Super Moderator Staff Member

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    No, you should always be using the latest iTunes. Don't know what else to suggest. Sorry. 5 years, and these rules never fail me... :(
  8. jmw5678
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    jmw5678 iPF Noob

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    error 37

    Hello,
    I have followed this and trying to upgrade my ipad 1 to latest ISO but when it get's to the end of the update and starts updating firmware, it always fails with Error 37?
    I have no AV running, using a Mac with Lion. Any idea whats wrong?

    Thanks
  9. mario24601
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    mario24601 iPF Noob

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    Hi, I have tired everything listed here to fix my first gen iPad but still get either 1600, 1601, or 1602 error. Any other ideas on what to try?
  10. alert5
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    alert5 iPF Noob

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    Thanks. Your guide worked just fine for me. I went from a jailbroken 5.01b to 5.1.1 clean iPad2.
  11. iCrackUriDevice
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    iCrackUriDevice iPF Noob

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    There are jailbreaks now
  12. bbecker
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    bbecker iPF Noob

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    Cannot restore even in DFU mode to latest IOS

    Hi,

    Never jail breaked. Original IPAD 1 wth ATT 3G. Never updated. Tried to goto newest and greatest today.

    Tried to do it via DFU mode.

    Untitled.png
    Help please....
  13. Mickey330
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    Mickey330 Administrator Staff Member

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    If your iPad was never jail broken, you should be able to connect it to iTunes and select upgrade. Make sure you have the most current version of iTunes, though. I believe the latest version iPod iTunes is 10.6 something.

    So, update iTunes first. Then, try to do a straight upgrade via iTunes.

    Good luck and let us know how you get on.

    Marilyn
  14. Access_Denied
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    Access_Denied iPF Noob

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    Hi Guys,

    I'm hoping to get some help with my iPad. I'll try to explain my situation the best that I can. Please let me know if you need any other information. I'm new to the iPad world, and I'm trying to help other people with theirs, but I can't even get mine working. :p

    iPad 1 - 5.1.0 9B176 (WiFi)
    iTunes 10.6.1 (7)
    Mac OSX 10.7.3

    I got the iPad at 5.1.0. A friend gave it to me after he fixed it up. I then jailbroke it using an untethered jailbreak (I think I used redsn0w). That's where I am now. Since then, I tried to downgrade to 5.0.1 using SHSH blobs. It was a no go. Always got a 1600 error in iTunes, even with pwned DFU mode. Then today, a 5.1.1 untethered jailbreak comes out, so I decide to update to 5.1.1. Won't work in iTunes, won't work on the iPad, won't work in recover, DFU or pwned DFU mode. For the life of me, I can't figure out how to upgrade this thing. Every single time I get some sort of error. In DFU mode, I believe I get a 1600 error, and in normal mode I think iTunes gives me a 20 (21?) error.

    I'm sure this has something to do with the jailbreak, but I'm somewhat lost. It's been a while since I've worked on iPod Touches and iPhones, so I'm slightly out of touch. If you can offer any help, I'd be very grateful. :)

    Thanks in advance.
  15. donetus
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    donetus iPF Noob

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    i've been having a hardtime for hte past few days trying to restore my iPad via iTunes and then i stumbled upon this site. thanks. :)
    i was able to restore it to 5.1.1.
  16. UnWarierMage
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    UnWarierMage iPF Novice

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    Hello,

    I've followed the steps in this guide exactly and I get an error when trying to restore "This firmware is not compatible.".... I downloaded 5.1.1 from the links repository provided. How can this be resolved?

    Thank you,

    -UWM
  17. reahn
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    reahn iPF Novice

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    what does the firmware file look like. what device do you have?
  18. nozero
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    nozero iPF Noob

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    Fixed Error 21 when trying to restore on iPad 2 using Tiny Umbrella

    Not sure if this will help anyone else, but I fixed this issue on my iPad 2 running 5.1.1 by installing and using Tiny Umbrella v5.11.01. Connect iPad to your PC, open TU, select connected device and click the Exit Recovery button. Viola!

    Good luck, this one cost me a couple of hours on my day off.:(

    I'd like to know if this DOES help you?
  19. barefootpilot
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    barefootpilot iPF Noob

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    Trying to restore to latest version 5.1.1 (as at end May 2012). Followed the guide but it failed with the 3194 error. Went back into TinyUmbrella and on the advanced tab, the box which says "Set hosts to Cydia on exit" is UNTICKED, but also it is greyed out and I can't tick/untick it at all. When TU starts it warns me that it is checked, but when I look it appears not to be, and I can't change it anyway.

    Any ideas? Running Windows 7 version, iPad 2,1 currently on 5.01 jailbroked with Absinthe.

    Ran TU as administrator and it made no difference.
  20. f4780y
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    f4780y Super Moderator Staff Member

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    Windows, or something running on your PC (such as anti-virus / anti-malware) is protecting your hosts file from being updated as a security feature, however the file is already changed to point to Cydia. You are going to have to either disable whatever is protecting it, or edit the file manually and remove all referenced to gs.apple.com from the file.

    Hope that helps.

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