Step 1: Enable ADB from Settings > Security.
Step 2: Download Kindle_Fire_HD_ADB_Drivers.zip Here. Extract the contents of the file and launch the executable file within it.
Step 3: Download Superuser-3.1.3-arm-signed.zip from the source link at the end of this post. Extract its contents to reveal a system folder. Within that, you will find Superuser.apk and an su file.
Step 4: Copy and paste both Superuser.apk and su to the platform-tools folder under the directory where you have installed Android SDK.
Step 5: Connect your Kindle Fire HD to your computer.
Step 6: Launch a terminal program like Command Prompt (Windows) or Terminal (Linux). Navigate to platform-tools folder under the directory where you’ve installed the Android SDK.
Step 7: Enter the following commands one by one:
adb shell
rm -r /data/local/tmp
ln -s /data/ /data/local/tmp
exit
adb reboot
adb shell
echo ‘ro.kernel.qemu=1′ > /data/local.prop
exit
adb reboot
adb shell mount -o remount,rw /system
adb push su /system/xbin/su
adb shell
chown 0.0 /system/xbin/su
chmod 06755 /system/xbin/su
rm /data/local.prop
exit
adb reboot
adb install Superuser.apk
If you followed the steps correctly, your Kindle Fire HD will now be rooted. To confirm, look for a SuperUser app in your apps list.
