Apple today revealed the iPhone 4S, its next-generation smartphone. The device makes the switch to dual-core A5 processor, giving it about twice the CPU speed of the iPhone 4 but a seven-fold improvement in graphics performance. The phone also includes a new antenna system, which automatically switches between two antennas to transmit and receive. More importantly, download and upload speeds have jumped to 14.4Mbps and 5.8Mbps respectively, and the device is a world phone, capable of handling both GSM and CDMA networks.
