Update: This guide assumes you have an original Kindle Fire running software version 6.3.1. These steps won’t necessarily work on the Kindle Fire 2nd generation or Kindle Fire HD. Amazon released a ...
Once you’ve rooted an Amazon Kindle Fire and installed the FireFireFire bootloader and TWRP custom recovery, installing custom software such as CyanogenMod 7 or Android 4.0 is incredibly easy.