Reset your Kindle 4th Generation to factory settings - YouTube
Amazon Kindle Paperwhite (4 Gen) review: Best e-book reader is now more durable and better - IBTimes India
Amazon Kindle 4th Generation, Wi-Fi, 6 inch Ebook Reader - Graphite for sale online | eBay
MoKo Case for Amazon Kindle 4th Gen - Premium Cover Case for Amazon Kindle 4th Generation (2012 Latest Generation and 2011 Version), 6 - Inch E Ink Display, NO Keyboard, Non-Touch, Indigo