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Discuss Bought a dead, junk 3GS, fixed it (I think). Now it wants a Passcode! at the iPhone 3GS - Hackint0sh.org; Hi all, I bought a dead iPhone 3GS (16GB) from a fellow, who in turn ...
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    Default Bought a dead, junk 3GS, fixed it (I think). Now it wants a Passcode!

    Hi all,

    I bought a dead iPhone 3GS (16GB) from a fellow, who in turn had bought it on eBay and, he said, tried futilely to fix it himself. Well, I've heard worse stories. It showed signs of having been opened before, possibly many times. Pressing buttons did no good - it remained dead.

    I plugged it into my charger. Then, when I hit the Sleep/Wake switch, it showed nothing but a rather dim "Battery" picture on the screen, with nothing but a narrow red band on the left side. It was pretty clearly telling me that the battery was dead. I left it on the charger overnight (this charger works very well with my normal 3GS, charges it up in a few hours). But the dead iPhone still showed that almost-dead battery symbol the next morning, and would do nothing else.

    Bit the bullet and ordered a new battery. When I opened the iPhone, I saw one cable that appeared to be not connected. Hmm. Took the phone apart, replaced the battery, put it together, and connected all cables as well as I could.

    Now I hit the Sleep/wake switch, the Apple logo appeared (first time!) and it woke up! Showed maybe 50% battery charge, which is a vast improvement. It's on my office charger now, and battery charge has climbed to 61% so far. We're in business!

    Except now it's asking for a passcode.

    Let's just say that the guy I bought it from (in the parking lot of a local burger joint at night for cash, 'nuff said) might be pretty hard to reach, and he probably doesn't know the passcode himself.

    Is there anything more I can do to bring this phone into the world? Or have I run into the immovable object now?

    Is there some kind of "Master reset" that can get past this Passcode request? Reset to original factory values, or something like that? I don't mind opening the case again if I need to.

    Or do I now have a paperweight with a new battery?



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    Sounds like going into DFU mode is the only way to get through that Passcode request (if even that would do it), since I don't have the original computer it was last sync'ed with.

    I'm not worried about preserving whatever information is on this phone now. It's someone else's info, I don't want it. But just in case it has an older baseband that is unlockable, I hope this DFU session doesn't automatically update that to a new - and non-unlockable - version. Ditto for the iOS.

    I've heard that DFU stands for "Device Firmware Update" or something close to that. Is this updating automatic, or does it ask you what you want to update it to?

    If I have to, OK, I'll update it to the latest-and-greatest, if that's the only way to make a working phone out of it. But it would be nice if I can do it in a way that leaves it unlockable.

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    Well, I put it into DFU mode last night and restored it to factory original settings, or so iTunes told me. It was a little cranky, kept timing out on me for some reason. Finally succeeded on the 5th try. When I told it to restore, the only software it offered was 5.1 (not 5.0.1). So I figured What the hell, this is just a junk phone, if it winds up non-unlockable, I'll still be happy as long as it works.

    Five tries later, I believe the restore is finished. The Apple logo appeared, then it started acting like a phone... and complained that the iPhone I was trying to activate, didn't have a SIM card (true), so I'm stuck again.

    Since it's now restored, I assume that any jailbreaking it might have had (I don't know) is now gone, and it's back to being a loyal AT&T customer again, correct? Meaning that if I try to put my T-Mobile SIM card in it, it will just say "Invalid SIM card" or something equally obnoxious, and still not work. I wish I could at least get it to the point where it will tell me what baseband it has, and maybe whether it's a newer or older bootrom.

    Is it now at the point where jailbreaking would be a good idea? More importantly, since I guess it now has iOS 5.1 (not 5.0.1), is this phone jailbreakable at all? Or did Apple finally come up with an un-jailbreakable version of iOS?

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    Sorry for the delayed response. You were right, the only way to restore a disabled iPhone is DFU -- which will nuke anything not sync'd with iTunes. There is a jailbreak for iOS 5.1 but it's only tethered/semi-tethered right now for the iPhone 4.

    You should be fine to jailbreak, but realize you'll either have to plug into the phone to boot it every time, or if you're semi-tethered, you'd have to plug it in any time you wanted to run jailbroken apps.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
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    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

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