A stable version of **Linux Kernel 3.9** is now out, and can be installed by the following steps on you ARM powered device, try this at your own risk. You can find the release announcement [here](http://goo.gl/Um8Um). In this tutorial, we will see how to install Linux kernel 3.9 in Ubuntu for ARM or any Debian based ARM system. Enter the following command in terminal: `cd /tmp` `wget http://dl.dropbox.com/u/47950494/upubuntu.com/arm-kernel-3.9 -O arm-kernel-3.9` `chmod +x arm-kernel-3.9` `sudo sh arm-kernel-3.9` `sudo update-grub` `sudo reboot` To remove the Kernel or downgrade the Kernel enter the command below: `sudo apt-get purge linux-image-3.9*` **Enjoy!**