Motorola Atrix HD can be rooted easily on any firmware wiith One-click. Rooting your device will enable to to flash custom ROMs and various apps. XDA developer member djrbliss has created a tool to root Motorola Atrix HD.
Rooting will void warranty of your device and to regain the warranty you will be required to downgrade to the official firmware update.
The guide mentioned below is only for Motorola Atrix HD and not for any other device.
We cannot be held liable of any damage done to your device while following the below mentioned procedure.
How to root Motorola Atrix HD
Take a complete backup of data,apps and settings as the procedure may wipe your data.
Make sure that the battery of device has a minimum charge of 60%.
Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.
Download the Root tool (motofail2go_windows.zip) on your computer.
Extract the zip folder and run the “run.bat” executable file by following the instructions.
Press the required button combination when prompted.
Reboot your device.
Your Motorola Atrix HD is now rooted and can now install Android 4.1.2 Jelly Bean based custom ROMs.