The only next-generation iPhone in production is a mild upgrade known as model N94, sometimes nicknamed the iPhone 4S, says Concord Securites' Ming-Chi Kuo. Based on sources, the analyst suggests that there are no signs of a redesigned iPhone 5 in Apple's supply chain. He moreover claims that the new phone will continue to use 512MB of RAM and a 3.5-inch display, despite repeated reports of a larger LCD measuring at least 3.7 inches. Kuo adds that the camera module's height should be almost the same as the iPhone 4's; Sony alleged started shipping sensors to Apple