The Samsung Galaxy Tab 4 was announced on 1 April 2014, and released 1 May that year. It is available in three sizes, 7.0 inch, 8.0 inch and 10.1 inch. The 8.0 and 10.1 models, are available with LTE. They are obtainable with 8, 16 and 32 GB. Here are the specifications: It is the successor of the Tab 3.