I would like to purchase unlocked Motorola Droid razr Maxx or HD, what are some of the disadvantages for either of them?
First you can check the side-by-side comparison of the two phones to see which is better based on your own preference. Click here to view the comparison.
Next thing you can do is to read reviews for both phones. I've provided links below:
Motorola Droid Razr Maxx Reviews
Motorola Droid Razr Maxx HD Reviews