Apple Inc is aiming to hold a launch event on 7 September to unveil the iPhone 14 line, according to people with knowledge of the matter, rolling out the latest version of a product that generates more than half its sales. The new iPhones will kick off a busy fall product season, which will also include multiple new Macs, low-end and high-end iPads, and three Apple Watch models. Apple is updating its flagship product at a precarious time for the industry.