A leaked document from Verizon has surfaced which indicates that the long awaited 4G Samsung Galaxy Tab 10.1 will launch in all channels on July 28th. The Galaxy Tab 10.1 is supposed to be released with both a black and white version of the unit. On July 28th the black version will be available and the white version will release a little later which has yet to be determined. The 16gb model will release at $539 and the 32gb version will release at $629. The tablet will also come with a micro-sim card and Android version 3.1.