Amazon.com: Dual sim Card Reader for iPhone 12 pro : Cell Phones & Accessories
Apple iPhone XR Physical Dual Sim Modification A1984 A2108 Two Nano SIM card OEM | eBay
How to convert single SIM iPhone XR into Dual SIM iPhone XR | This video shows you how to transform any iPhone XR into Dual SIM iPhone XR using SIMore Speed X-Twin