 Unveiled during the "Samsung Galaxy Unpacked 2019" press event held on February 20, 2019, the devices started shipping in certain regions such as Australia and the United States on March 6, 2019, then worldwide on March 8, 2019.It is the tenth generation of Samsung's Galaxy S series of smartphones.As has been done since the Galaxy S6, Samsung unveiled flagship Galaxy S10 and Galaxy S10+ models, differentiated primarily by screen size and an additional front-facing camera on the S10+.