AT&T Outs Trek HD 4G LTE Tablet: Snapdragon 400, Android 5.0 Lollipop, 5MP Camera AT&T has unveiled its first-ever tablet, Trek HD, which sports an 8-inch HD display, a 5MP primary camera and more. It is also the first tablet from AT&T to come with Android 5.0 Lollipop out of the box. by Anu Passary