Posted by Jayce Ooi as Ramblings
Amazon has a new software update to Kindle Fire. Bring Kindle Fire software update to version 6.3.1. This update has several new features like additional parental controls to Kindle Fire, including the ability to password-protect purchases, disable access to specific content libraries, and block access to the Silk web browser. As usual, Kindle Fire software update version 6.3.1 breaks root access. But no worry, you still can root it again latest Kindle Fire Utility.
New Kindle Fire Software Update Version 6.3.1
Tired of losing root access? Make sure that you disable OTA with this guide – How to disable auto software update OTA on Kindle Fire?