It does not let you change kernels or radios as it has a lock bootloader. But Android Authority has found a way to root Motorola Droid Razr and we would be sharing that step by step guide to you.
Without wasting much of your time and my words, let me go ahead with this rooting tutorial.
Step By Step Guide To Root Motorola Droid Razr
Before we go ahead with these steps to root Motorola Droid Razr, below are the things that you need to have.
I am assuming that we have downloaded the above mentioned files, so we are good to go ahead with this now.
The first thing that we do on an Android device before rooting it is enable its USB debugging. In order to do it, navigate it as Menu > Settings > Application > Development and then put a check beside the USB debugging option.
Now use the USB cable to connect your Motorola Droid Razr to your computer, and go with the Charge Only option from the Notifications drawer.
Browse to the location where you have unzipped the above downloaded files. There you would find a batch file named, runme.bat. Just run that file and follow the instructions step by step.
That is it! Relax while this program will take care of the rest of the process to root Motorola Droid Razr. Try it out and let us know how you find this rooting tutorial.