The Amazon Kindle model DP75SDI released in September 2013 with 2GB of storage, known as the Kindle Paperwhite 2 . For a tear down of the DP75SDI  version, see this one: https://www.youtube.com/watch?v=B-QKIyLQ9ho What the video didn’t tell is one, this Kindle was opened before and second, if you apply heat with a hair dryer to the front cover, the glue gets soft and the front cover is then easily removed.