Selling or returning your Kindle 3 and need to remove your ebooks and settings? Do a factory reset in four easy steps to return your Kindle to its original factory setting.
Like magic, your Kindle 3 is now reset to its original factory settings. That means that all your data, including wi-fi settings, ebooks, registration, and any settings made by you, are now gone for good. You can now return or resell your Kindle 3 without worrying about any personal data being left behind.
Update: For information on resetting first-generation Kindle or Kindle 2, please read this post.