The "i9100" is typically the model number for the Samsung Galaxy S II, which is a smartphone released by Samsung Electronics in 2011. This device was one of the most popular smartphones of its time, known for its high-performance specifications, including a 1.2 GHz dual-core processor, a 4.3-inch Super AMOLED Plus display, and an 8-megapixel rear camera. The Galaxy S II was also known for its Android operating system and was the first Samsung smartphone to support Wi-Fi Direct, a technology that allows devices to connect directly to each other over a secure, peer-to-peer Wi-Fi connection.
