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I have successfully created my own custom firmware and loaded it onto a phone. But I was wondering why I didn't need to sign the firmware before loading it, or was it signed with a debug key similar to when you test your own android app?

Hank
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1 Answers1

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AFAIK the N1 doesn't require signed firmware, at least not once you unlock the bootloader -- it's a dev phone. Unofficial confirmation:

I specifically purchased a Nexus One because it supports the ability to flash the phone with unsigned firmware.

Matthew Read
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