As T-Mobile does all the time, it ships phones early to customers who pre-ordered them. T-Mobile has been delivering phones early for pre-orders as far back as the Galaxy Note 4 with many customers already receiving shipping confirmations for their new pre-ordered Galaxy phones.
Click the image to see more screenshots.
XDA member: altimax98 was among the very first to take delivery of a T-Mobile Snapdragon-powered S7 edge unit and has generously shared screen shots throughout the new TouchWiz/Marshmallow interface. The UI is not far off from the updated Marshmallow UIs that have been rolling out to newer Galaxy phones within the past month or so.
[Source:- Gsmarena]