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Old 08-26-2018, 01:44 PM   #1
bozza111
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Some hacking inspiration for the unjailbreakable kindles

Thinking outside the box.

In 2004 when the new monochrome ipod came out, known as the fourth generation ipod, it was impossible to run custom software on it, such as the Linux OS.

This was because it had an encrypted second stage bootloader. The previous generation ipods didn't.

A member of the ipodlinux community found a way to execute some limited amount of code, not enough to dump the decrypted bootloader. However the code could send instructions to the built in ipod piezo speaker. It could only make squeaks and clicks.

He proceeded to dump the bootloader by instructing the piezo speaker to squeak out the whole bootloader, which he recorded with a microphone - leading to the full jailbreak of the 4th gen ipod.

https://blog.codinghorror.com/ipod-hacking-via-modem/

Last edited by bozza111; 08-26-2018 at 01:46 PM.
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Old 08-26-2018, 02:51 PM   #2
knc1
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Wrong forum, use the "Kindle Fire" forum.
The grayscale Kindles do not (currently) have factory installed Android.

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Old 08-26-2018, 02:55 PM   #3
pdurrant
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I don't think this is solely applicable to android. It is worth bearing in mind alternative ways of exporting information from devices.
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Old 08-26-2018, 02:57 PM   #4
bozza111
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Isn't the kindle OS a modified version of Linux? I posted this here not to try and boot a different OS on the kindle, but because it is an interesting read about someone using a clever technique to jailbreak a device.
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