A Newbie’s Guide: How to root Amazon Kindle Fire HD 7 using ADB

As you may know the new Kindle Fire HD 7 come with locked bootloaders, so many folks believe that this device will be hard to modify. However it is not entirely true, since today a developer with username Jcase from xda have managed to get root access on the Kindle Fire HD 7″. He makes use of a super user exploit developed by sparkym3 for Asus Transformer Prime, he got SU only with ADB command, without custom recovery that can’t be installed on this Amazon’s tablet.
Update: there’s an easy way to root your device without typing a long adb command by using Qemu Automated Root tool.

Image Credit: Amazon

Connecting Kindle Fire HD 7 to ADB (Android Debug Bridge)

1. Download Kindle Fire ADB drivers from here, after that install it on your PC.
2. Activate ADB on your kindle, from notification area choose more > security and then turn on ADB.
3. Since this root tutorial utilizing ADB, you are advised to install Android SDK on your computer, in case you’re not familiar with this, follow a guide to setup ADB.
4. After that you have to connect your Kindle with ADB using USB cable, go to “platform-tools” folder on Android SDK installation, press and hold Shift key and then right-click and choose “Open command window here”.


Open CMD

5. To check whether the connection between the device and adb is correct, run the following command:
   adb devices

   if it has been connected properly, then your kindle serial number will show up.



ADB Devices

6. In case the command shows nothing, you can try to run this command:
android update adb
adb kill-server
adb start-server
adb devices

 

Step by step how to root Kindle Fire HD 7

1. Download the root exploit file in zip, extract it using 7zip or WinZip. Copy the “su” file (on /system/bin/) and “Superuser.apk” (on /sytem/app/) to “platform-tools” folder.


Extracting SU Exploit

2. This is the most important part of the whole process, return to the command prompt and run this command on your PC:
   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
3. The final part is to install the Super User app, make sure Superuser.apk is in the folder and run this command:
   adb install Superuser.apk

 

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