Apple engineers are wrestling with where to put the SIM card, battery, and thermal materials in the rumored iPhone 17 “Slim,” according to The Information . Although US iPhones haven’t had SIM cards for a couple of years now, they’re required to in China, making it a tricky, but necessary hurdle to get over. The 17 Slim’s single, center-mounted camera will reportedly be surrounded by a rectangular bump that’s made of aluminum instead of glass. It also says the iPhone Plus will leave the lineup,