Here's how to add a microSD card slot to your iPhone or iPad | ZDNET
iPhone 7 and 6, Sim card slot removal and replace, insert or remove sim - YouTube
Lightning to Card Reader Adapter USB Camera Micro SD Memory Slot for iPhone Xs Max/Xs/XR/X/8/7/6s/6 and iPad - Walmart.com
Amazon.com: SD Card Reader for iPhone, 5 in 1 USB OTG Camera Connection Kit with Camera Memory Reader and 3.5mm Headphone Jack, SD & TF Dual Card Slot for iPhone 13/12/12 Pro/11/11