The original Droid RAZR and Droid RAZR MAXX received an over-the-air Jelly Bean update (Android 4.1.2) a few weeks ago. It took that long for an exploit to be found in the OTA allowing for root access for both devices. At this point, it looks like all you’ll need is a PC and a USB cable. Hit the source for the walk-through. Have fun and don’t forget to backup! Once you’re rooted you can even give Carbon Backup a try.