What’s The Difference Between IPhone 3G And 3GS?

What’s The Difference Between IPhone 3G And 3GS? Both the iPhone 3G and iPhone 3GS models use a rounded plastic design. … The iPhone 3GS has an improved “oleophobic” oil repellent coating over the 3.5′′ 320×480 display, but otherwise the displays are essentially the same as well except for a slightly “warmer” tint on the