An iPad can only have a single SIM or eSIM active, but you can use the Dual SIM feature starting with those iPhone models ...

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 move it continued with the iPhone 15 and iPhone 16. For now, most Android phones remain dual-SIM with one eSIM and one physical SIM. If you have an older model or aren’t in the US, there are a ...