Apple Inc.'s latest iPhone model debuted Friday in the domestic market, and for the first time it is being sold by two rival carriers, a move expected to heat up the cellphone competition.
Softbank Corp., which has been the sole iPhone agent for the last three years, and newcomer KDDI Corp. both bragged about their strengths to customers. In short, Softbank stressed experience and KDDI boasted connectivity.
Hundreds of frenzied consumers lined up at many shops across the nation to purchase the new iPhone 4S.