Apple is facing new pressure in Europe to let competitors access its iPhone operating system.The European Commission (EC) on Wednesday (Dec. 18) published a pair of documents covering how the tech giant needs to meet interoperability requirements of the Europe Union’s (EU) Digital Markets Act (DMA).The EC’s guidelines for Apple are designed to make sure that devices like smartwatches or features such as wireless file transfers function as smoothly with iPhones as do Apple Watches or AirDrop.In addition, the ...