Macworld Back in March 2016, Apple unveiled a new iPhone that was an instant classic. It had the body of an iPhone 5S (which was retired the prior September when the iPhone 6 arrived) but with the latest A9 chip, a better camera, and an affordable $399 price tag. It was the first truly budget iPhone and millions of people bought one and held onto it as long as they could. If you still have one, congratulations, you now have an Apple device that’s officially vintage. Apple products are considered vintage when Apple stopped distributing them for sale more than five and less than seven years ago….