An manufacturing defect has affected a small number of Apple's iPhone 5s devices, according to an Apple representative who spoke to The New York Times. The iPhone 5s, which was introduced in September, is rated for up to 10 hours of battery life on 3G and 250 hours of talk time."We recently discovered a manufacturing issue affecting a very limited number of iPhone 5S devices that could cause the battery to take longer to charge or result in reduced battery life," said Teresa Brewer, an Apple spokeswoman. "We are reaching out to customers with affected phones and will provide them with a replacement phone." Apple has not specified how many iPhones are affected by the issue, but according to The New York T
