Apple iPhone 4S is faster than previous versions . It has enhanced voice-recognition features . In all , Apple says it has sold 250 million gadgets that run on its mobile operating system . And it can run apps that are not available on the older models, such as games and video streaming services. For the first time , it 's available on Sprint as well as AT & T and Verizon .
Apple iPhone 4S is faster than previous versions . It has enhanced voice-recognition features . And it can run apps that are not available on the older models, such as games and video streaming services. For the first time , it 's available on Sprint as well as AT & T and Verizon .