If you have a rooted Motorola Droid X, you are most likely to be interested in installing custom ROMs, themes, etc. However, since the procedure itself is quite fickle, it is a good idea to take a backup of Nandroid before you proceed. A Nandroid backup is primarily a giant snapshot of your Android phone that needs to be created on your SD card every time you switch ROMs or change themes.
Of course, before you proceed, you will need to root your Droid X. It goes without saying that rooting your handset is pretty risky and you can void your warranty or brick your phone or both. So proceed at your own peril.
Basically, you download the bootstrap recovery software from hacker Koushik Datta to your rooted Droid X and once done, launch the application. You will be asked to initiate bootstrap recovery that you can choose by tapping “Bootstrap Recovery“. The process will begin.
Once this is complete, you will see a “Success” message. Tap on ‘OK‘ and follow it up with “Reboot Recovery“. The Droid 2 will reboot in the Clockwork mode. Using the Volume buttons, navigate to the “Backup and restore” option and hit the Camera button to select the option. If you are asked to select “Reboot” do so with the camera button. The process completes with a “Reboot System now” message. Tapping the camera button completes the process.
[via Droid Life]