Rooting your Motorola Xoom won't stop you from getting an LTE hardware upgrade, but it will throw up a roadblock if you're trying watch movies rented from YouTube / Android Market. Android Central points out a Google support document that details the "Failed to fetch license for [movie title] (error 49)" message users will see when they try to play a movie on a rooted Android device. Currently only Xoom's updated to Android 3.1 have access to the service at all, but once su
