The iPhone 3GS, stylized as iPhone 3G🅂, [a] is a smartphone that was developed and marketed by Apple Inc. It is the third generation of the iPhone and the successor to the iPhone 3G.It was unveiled on June 8, 2009 [6] at the WWDC 2009, which took place at the Moscone Center in San Francisco.. According to Phil Schiller, a key figure at Apple, the “S” in “3GS” stands for “Speed ... More @Wikipedia
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