This code can calculate the PID (Personal ID) number of a Kindle eBook reader device based on it’s serial number. To determine the serial number of your Kindle:
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Navigate to the device’s “Settitngs” screen.
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Type “411” (without the quotes) on the keyboard.
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A secret page should now open. Write down the 16-character serial number of the device. (iPhone serial numbers are different but should also work.)
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Fork the project.
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Make your feature addition or bug fix.
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Add tests for it. This is important so I don’t break it in a future version unintentionally.
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Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)
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Send me a pull request. Bonus points for topic branches.
This code was originally ported Mobipocket PID calculator v0.2 by Igor Skochinsky. I have added support for Kindle 2 and Kindle DX (serial numbers starting with B003 and B004) in addition to the port.
Copyright © 2010 Preston Lee. See LICENSE for details.