The iPhone 3GS, originally the iPhone 3G S, retroactively re-stylized the iPhone 3Gs, is a touchscreen smartphone, designed and marketed by Apple Inc. It is the thirdgeneration iPhone, successor to the iPhone 3G. It was introduced on June 8, 2009, at the WWDC 2009 which took place at the Moscone Center, San Francisco.
Improvements include performance, a 3.2-megapixel camera with higher resolution and video ability, voice control,and support for 7.2 Mbit/s HSDPA downloading (but remains limited to 384 kbps uploading as Apple had not implemented the HSUPA protocol). It was released in the U.S., Canada and six European countries on June 19, 2009, in Australia and Japan on June 26, and internationally in July and August 2009.
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