All versions of the Apple iPhone 16 series support eSIM. They also all support dual-SIM, using two eSIM profiles at a time. There is no support for physical SIM cards in the US. That said ...

Here’s an outstanding hack that adds a dual SIM slot to a US-sold eSIM iPhone 15/15 Pro, while preserving its exclusive mmwave module. No doubt, making use of the boardview files and schematics ...

A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIM phones are popular with global travelers who use local and foreign carriers as well as people who want a business and personal ...