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Discuss iPhone 3G - Newbie Unlock Confusion at the iPhone 3G - Hackint0sh.org; Someone gave me an IPhone 3G that they no longer want/need. It appears to be ...
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    Default iPhone 3G - Newbie Unlock Confusion

    Someone gave me an IPhone 3G that they no longer want/need. It appears to be a UK version Iphone 3G (tied to O2?) but has no SIM installed. Presently I can't get beyond 'slide for emergency'.

    At some point in the future I expect to be able to get a UK O2 PAYG SIM so I don't really want to do anything that is not reversible. But in the meantime I'd like to be able to at least use the phone's features and apps via the wi-fi side of things (like an iPod touch?) or maybe use an (Irish) O2 SIM (from Tesco) that I've got laying around.

    I've read and read and read and read, and am now only marginally less confused than before I started, so any help with how to proceed (from someone who has experience) will be very much appreciated.

    I have at least got as far as running TinyUmbrella to get some of the info....

    Device Model: MB489B/A

    Installed Firmware Version: 4.1

    Installed Baseband Version: 05.14.02-5.9_M3S2

    but I don't know how to find the Boot Loader version (or even if I need to).

    As I say; any help appreciated.



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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by Magnet View Post

    I have at least got as far as running TinyUmbrella to get some of the info....

    ....
    but I don't know how to find the Boot Loader version (or even if I need to).
    you did get the baseband boot loader version (5.9) - that rules out downgrading baseband with fuzzy band (that was only ever a very slim chance)

    Relatively simple to bypass "slide for emergency" via jailbreak with redsn0w - best to do jailbreak with a sim card inserted (doesn't matter what carrier)

    That will get iPod touch like functionality. To actually make calls with your non uk u2 sim - your only option is to parade baseband o iPad 6.15 version and unlock. I recommend you confirm that you can get access to a mac running pwnagetool before you go down this path. also I recommend you read up on the negatives of 6.15 baseband, especially the resore problems and gps issues
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Thanks very much for your help Olethros. I have read about the possible problems of baseband 06.15.00 and the inability of restoring to a lower baseband, so I think I will just jailbreak as you suggest to get the basic functionality rather than attempt the unlock. Once I have an O2 SIM I think I may be able to obtain an official unlock code (from O2) so the unofficial unlock isn't necessary.

    If I jailbreak iOS 4.1 and then iTunes updates the device to iOS 4.2.1 will I have to jailbreak again?

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by Magnet View Post
    Once I have an O2 SIM I think I may be able to obtain an official unlock code (from O2) so the unofficial unlock isn't necessary.

    If I jailbreak iOS 4.1 and then iTunes updates the device to iOS 4.2.1 will I have to jailbreak again?
    I highly recommend you explore the official unlock option.

    Every time you update iOS it is jailed again and you need to jailbreak. This is why we tell people to take control over their iTunes and not let it update their phone unless the update was carefully researched and planned by the owner.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Thanks again.

    In iTunes I have switched off the 'Check for new software updates automatically' option. Are there any other options to consider?

    Also; can you help me with the jailbreak process? The instructions I have found for jailbreaking OS 4.1 on iClarified say to first update the device with a downloaded ipsw (iPhone1,2_4.1_8B117_Restore.ipsw).

    My first problem is that the download is actually a zipped directory called iPhone1,2_4.1_8B117_Restore.zip. Should I extract the directory (to iPhone1,2_4.1_8B117_Restore) then add the .ipsw extension?

    My second problem is that because iTunes says "The SIM card inserted in this iPhone does not appear to be supported", it doesn't give me the 'Summary' tab that would let me do a restore. So how do I do the first part of the process?


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    Super Moderator Array Olethros's Avatar

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    Firstly,

    most redsn0w guides start with a "restore to iOS version X" step.

    if you can be 100% sure that you already have iOS version X on your phone, you can usually safely skip this step.

    Redsn0w is designed to jailbreak the iOS version that you are currently running - it works best on a freshly installed iOS - if you have tried to jailbreak (and failed) previously, it's best to restore the iOS before attempting again.

    Now to your questions:

    Quote Originally Posted by Magnet View Post
    My first problem is that the download is actually a zipped directory called iPhone1,2_4.1_8B117_Restore.zip. Should I extract the directory (to iPhone1,2_4.1_8B117_Restore) then add the .ipsw extension?
    This is a problem with your web browser or some addon (probably related to a zip/archive utility you might have installed on your computer previously)

    Or maybe it is due to some overzealous security software that likes to scan inside of zip files you download for viruses etc.

    The IPSW file is actually a zip format - but it does NOT have a .zip extension and SHOULD NOT have a .zip extension.

    If you download with a web browser that doesn't peek inside the file and try and guess what it is - then the file should have a .ipsw extension.

    Download links here http://www.hackint0sh.org/f127/22056.htm are the direct links to the files hosted at Apple, never download an IPSW from somewhere else, you can never be sure that these don't contain malware or are not what they claim to be.

    Quote Originally Posted by Magnet View Post
    My second problem is that because iTunes says "The SIM card inserted in this iPhone does not appear to be supported", it doesn't give me the 'Summary' tab that would let me do a restore. So how do I do the first part of the process?
    Simple, force the phone into recovery mode: either via TinyUmbrella or using the procedure below.

    http://www.hackint0sh.org/f137/54082.htm

    However, as I said - you might not need to restore at all.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!

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    This is a problem with your web browser or some addon (probably related to a zip/archive utility you might have installed on your computer previously)

    Or maybe it is due to some overzealous security software that likes to scan inside of zip files you download for viruses etc.

    The IPSW file is actually a zip format - but it does NOT have a .zip extension and SHOULD NOT have a .zip extension.

    If you download with a web browser that doesn't peek inside the file and try and guess what it is - then the file should have a .ipsw extension.
    Weird; it's just a vanilla Windows XP Pro setup running standard IE8 with no installed anti-virus or anything. IE must think it's doing me a favour. I downloaded with Safari instead and it arrived with the .ipsw extension.

    Download links here http://www.hackint0sh.org/f127/22056.htm are the direct links to the files hosted at Apple, never download an IPSW from somewhere else, you can never be sure that these don't contain malware or are not what they claim to be.
    Agree entirely. I was using the iClarified link which also points at Apple.

    Simple, force the phone into recovery mode: either via TinyUmbrella or using the procedure below.

    http://www.hackint0sh.org/f137/54082.htm

    However, as I said - you might not need to restore at all.
    As I already had it installed; I tried TinyUmbrella, but 'Enter Recovery' didn't seem to do anything. In the end I used the 'hardware' method instead. I'm sure I didn't need to do the restore, but I did it anyway to make sure Redsn0w had a completely clean install to work on.

    Anyway; I now have a nicely jailbroken 3G which lets me get to grips with the world of apps via wi-fi. In a few weeks time I'll pick up an O2 SIM and I should have a working phone too.

    Thanks for all your help - very much appreciated.

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    All you have to do is move, drag or copy the zip folder to your desktop, once on your desktop do this:

    Enable the Display of File Extensions in Vista (windows) :

    1. Open a folder or open explorer or documents or desktop
    2. Click the Layout button (to the left of the Views button)
    3. Click Folder Options
    4. Click the View tab
    5. Uncheck Hide extensions for known file types
    6. Click OK

    Now you will see the nameoffile.zip, change it to nameoffile.ipsw, it will ask if you're sure you want to change click yes and youre good to go!!

 

 

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