the device i used is my phone, Galaxy Nexus. i started with something like 4.1.1, but that doesn't really matter. in this post, i am trying to note down only certain keywords. those who know about them may find it useful, as you might not be able to recite some operations. those who haven't known about them, can Google them as well.

  • /system/recovery_from_boot.p
  • /system/media/ -> /data/local/
  • /system/etc/security/
  • adb get-state
  • fastboot devices
  • adb reboot-bootloader
  • adb reboot bootloader
  • fastboot reboot-bootloader
  • adb reboot recovery
  • adb reboot
  • fastboot reboot
  • fastboot oem unlock
  • fastboot oem lock
  • fastboot flash recovery CWM-6-blah.img
  • fastboot update -w
  • fastboot update