How to Root the Fire TV 2 using KingRoot — No USB cable required

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This rooting guide uses the KingRoot utility to achieve root. The problem with KingRoot is that it makes unwanted changes to the Fire TV’s operating system and installs several unwanted apps. After rooting with KingRoot, it is highly recommended that you: install TWRP, flash rbox’s pre-rooted ROM, and then perform a factory reset. This will leave you with a 100% clean rooted Fire TV without any of the KingRoot junk. All of the steps you need to follow, from start to finish


Source: AFTVnews

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How to root Fire TV without a PC

This written guide, along with the video guide, will show you how to root a Fire TV 2 using KingRoot, install TWRP custom recovery, and how to install the latest pre-rooted ROM, all without using a computer. The reason to install TWRP custom recovery is to ensure you can fix your Fire TV 2 in the future if anything gets messed up due to a modification you make. The reason you want to install a pre-rooted ROM after rooting with KingRoot is to remove all the junk left behind by KingRoot and to install SuperSU in place of the buggy Kinguser app. Be sure you’ve checked out the Rooting Starter’s Guide, before following this guide, to make sure this is the best guide for you to use.

Source:AFTVNews