https://events.linuxfoundation.org/images/stories/pdf/lf_abs12_kobayashi.pdf
http://stackoverflow.com/questions/29442630/dd-from-android-to-my-computer
https://plus.google.com/+BensonLeung/posts/cVGSeDBFstb
https://www.digitaltrends.com/mobile/how-to-install-android-factory-image/
adb reboot bootloader