Not sure if your iPhone supports eSIM? Here's how to check compatibility and set it up for a seamless wireless experience.

Difference Between a nano-SIM and eSim The nano-SIM is a SIM card that is physically inserted into an iPhone. Alternatively, the eSIM is a digital SIM that lets you activate a cellular plan ...

Power down the phone, then replace the old SIM card with a SIM from a different network. Check that the iPhone is able to connect a phone call over the new network. That’s the short version ...