The third model of Apple's smartphone, which debuted in June 2009. The 3G S was significantly faster than the 3G. See iPhone versions and iOS versions.
"iPhone 3G S." YourDictionary, n.d. Web. 16 August 2018. <http://www.yourdictionary.com/iphone-3g-s>.
iPhone 3G S. (n.d.). Retrieved August 16th, 2018, from http://www.yourdictionary.com/iphone-3g-s