Samsung Galaxy S series refers to the high-end/flagship Android smartphones in the Samsung GALAXY series and includes Super Smart devices of the GALAXY series, manufactured by Samsung Electronics. The Samsung Galaxy S series has sold more than 177 million units, with Samsung Galaxy S selling over 25 million units, Samsung Galaxy S II selling over 40 million units, Samsung Galaxy S III selling over 60 million units, Samsung Galaxy S4 selling over 40 million units and finally over 12 million units of the Samsung Galaxy S5 were sold during its first three months of availability.Gear S, Gear S2, Gear S3Tab S, Tab S2