Originally Posted by jber
... two hours charging with a wall charger and voila, access to kindle is back.
Contratulations on your successful learning experience! Your success report has been added to "the list". Hopefully, "next time" will be easier for you.
Remember, the main reason for debricking failures is (almost always) skipping a step in the simple debricking procedure, whether that means not charging the battery enough, or not flashing a matching kernel, or whatever other step was skipped.