Fit for the Whole Family: Samsung Introduces the Galaxy Tab A 10.5″ Samsung Newsroom August 2, 2018 Dolby Atmos, Galaxy Tab A, Galaxy Tab A 10.5’’, Mobile, Press Release, SmartThings, Tablet Samsung Electronics today launched the Samsung Galaxy Tab A 10.5’’, a new tablet that keeps you and the family entertained while at home or on the go.