Question about Apple iPhone Smartphone

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Can't restore to my iphone from 2.0 to 1.1.4

Hello, I tried to upgrade my phone from 1.1.4 version to 2.0 but it wipe out all that is in it and I now only see the itune USB plug in sign on my iphone. I tried to restore it back to 1.1.4 version for several time, but will give me an unknown error (20) occuring all the time. Can anyone please tell me how to restore it back to 1.1.4 version. Also, it always show a message on the itune that says: The SIM card inserted in the iphone does not appear to be supported. Although, I bought the iphone in USA but brought it to UK where it was unlocked and I am using it with other service providers. I even input the O2 simcard but not still working. I need anyone help please.

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  • 10 more comments 
  • dirtyvegas Jul 14, 2008

    i have this exact problem

  • colinski Jul 14, 2008

    yes, exactly the same problem here... guess we have to wait for someone to create a fix for us?

  • yasmeeenmir Jul 15, 2008

    i have the same problem too, someone please help :(

  • Anonymous Jul 15, 2008

    just by the fon here in saudi, same problem i cant restore after i please...

  • Barnzii Jul 16, 2008

    Yep i'm on the same boat as you guys !!!!!

  • rvsicuan21 Jul 16, 2008

    i have the same problem

  • Anonymous Jul 16, 2008

    Ya, its same situation to me error 20, i want to downgrade from 2.0 to 1.1.4 i dont't know what to do else, please help.

  • dotcompals Jul 19, 2008


    I am from India. I too is having the same problem. I accidently upgraded my 1.1.4 iphone to 2.0. Now I want to get back to 1.1.4 . I tried the method listed in this thread and this one too -

    but no luck. If any one successfully managed to get back to 1.1.4. please share the method here. if you want to contact me add me to yahoo! - ( dotcompals ) , or Gtalk ( dotcompals (at) ) .

  • Anonymous Jul 21, 2008

    mine do the same thing

  • dejumotta Aug 04, 2008

    Can't restore from 2.0 to 1.1.4

  • polarsonn Aug 08, 2008

    i had the same problem and i searched on youtube how to downgrade my iphone to v1.1.4 and i did what i saw in the movie and now it works perfect..but i had to upgrade it back to 2.0 because i hadn't any signal...but now i my iphone works perfect with v2.0 here are the link with the videos

    i hope these videos will help you..:)

  • nnm09 Aug 15, 2008


    well i also did the same thing thinking that it would just reset my phone bc i was having problems of it losing service randomly. can someone please help me out.



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Try this tijanotu:

You will need these files/program:

1. Ziphone 3.0 program

2. Ziphone Firmware Files 1.1.2, AND 1.1.4. To get these files open Ziphone 3.0 then Click Help and Support, then middle box on top of page Web Links Firmware Files 1.1.2 and 1.1.4 (to make it easier to find I always save everything to the desktop)
3. Kiphone

Not sure if all these steps are needed for success, I am just putting it all down becuase this is exactly what I did to get my cell signal back.

First, I uninstalled itunes 7.7.

Then I downloaded and installed itunes 7.5. At this point you will have to rename your itunes libray folder. Instructions are here:

Next I downgraded the iphone to 1.1.2 using the link above.
Downgrading steps:
Connect phone to computer
Open Ziphone 3.0
Click on Prepare for Upgrade (this will put iphone into DFU mode)
Now you have to restore using itunes 7.5 (which will open up as soon as the iphone goes into DFU mode.)
In itunes hold down SHIFT key (FOR WINDOWS) while pressing RESTORE. This will allow you to browse for the firmware file 1.1.2 you previously downloaded. Click on the 1.1.2 restore file and hit OPEN. This will begin the restoring process.
You will probably get an error code noting the restore wasn't successful. Ignore this unless the error code number is in the 1600's.
After this I tried to jailbreak my iphone using Ziphone 3.0 but wasn't successful so I:
Repeated the restore process but his time restoring to 1.1.4. Got the same error saying that restore wasn't successful, which I ignored.
Then I closed itunes, went into Ziphone 3.0 (iphone still connected to computer) and clicked on Do it all!
Jailbreak worked fine except I still had no cell signal.
To fix this I went to:
Iclarified, (the BEST iphone website *******!!) Got Kiphone patch (see Number 3 above) installed it and got my cell service back.

Posted on Jul 17, 2008


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