Kuo: Apple delays plans for new space-saving iPhone internal design 9to5MacKuo: Apple Delays Change Aimed at Saving Space Inside Future iPhones MacRumorsKuo: It will take until 2025 at the earliest for the iPhone’s Mainboard to use Resin Coated Copper material Patently AppleAn important iPhone 17 design change was reportedly put on hold BGRRumored thin motherboard for iPhone 17 allegedly dropped over quality issues AppleInsider