Even though the iPhone Air surprised us with dependable battery life given the design limitations, endurance remains one of the main concerns users have about the phone. Another big issue for consumers is the single-camera setup. Luckily, Apple seems determined to address them in the next-generation iPhone Air, at least according to the latest news. In late December last year, a report came out suggesting that the iPhone Air will feature a second camera, likely an ultrawide unit. Now, a rumor co...