Samsung Galaxy S Duos 2 is a version of Samsung Galaxy Trend Plus with dual SIM Android smartphone, produced and marketed by Samsung Electronics, which serves as an immediate successor to the original Galaxy S Duos, which is made in second quarter of 2012. Unveiled on 30 November 2013 at some Asian markets, it was initially released on December 5, 2013 in several countries. In contrast with other dual sim Samsung models, this phone is a part of the high-end "S" series, this is why it is marketed as a part of the "Galaxy S" family. Despite being called as a direct successor to the original S Duos phone, external and physical design of the model is identical to the original model, placing emphasis on internal upgrades such as upgraded processor and updated Operating System software.