IPhone 3GS not implemented the HSUPA protocol). It was released in the United States, Canada, and six European countries on June 19, 2009, in Australia and Japan on June 26, and internationally in July and August 2009. The iPhone 3GS runs Apple's iOS operating system. It was succeeded as Apple's flagship smartphone in 2010 by the iPhone 4; however, the 3GS continued in production until September 2012 when the iPhone 5 was announced. The iPhone 3GS was made available for pre-order on June 7, 2009 and released on June 19 in the United States, Canada, and 7 European countries, and on June
IPhone the iPhone employs A-GPS operated by the United States. Since the iPhone 4S generation the device also supports the GLONASS global positioning system, which is operated by Russia. The iPhone 6S and 6S Plus, introduced in 2015, feature "force-touch" displays which allows the screen to recognize how hard it is being pressed using pressure sensitive multi-touch technology. All subsequent iPhones with the exception of the iPhone SE and iPhone XR have this feature. An example of how this technology will be used is lightly pressing the screen to preview a photograph and pressing down to take it. iPhones feature a