What is the difference between iPhone 3g and 3gs?

What is the difference between iPhone 3g and 3gs?

Although external identification requires sharp eyes to spot it down at the bottom of the back of the phone, the iPhone 3G is model number A1241 and the iPhone 3GS is A1303. The China-only iPhone 3G and iPhone 3GS models that do not have Wi-Fi are model number A1324 and A1325, respectively.

Does iPhone 3g have Bluetooth?

Unlike its successor models, the iPhone 3G does not support prominent features of iOS 4.0 such as multitasking, the ability to set a home screen wallpaper, or Bluetooth keyboard support.

What was the first iPhone Bluetooth?

Among the many novel technological features of the iPhone 4S like Siri and the A5 processor, one that's gotten little attention is that it's the first cell phone to feature Bluetooth 4.0, which makes the iPhone compatible with a whole new category of low-energy wireless devices.