While unboxing videos are nothing new, the one we have for you today comes from an odd source. T-Mobile decided to offer an unboxing video of their own, carrier-branded version of the Sony Xperia Z3. It's going to be launching on T-Mo later this fall. It's intriguing to see T-Mobile using a technique which is usually reserved for bloggers in order to drum up hype for the phone. Regardless, it's a pretty good glimpse of the device. Sound off if you are tempted by Sony's new flagship.