For the longest time, using a physical SIM (Subscriber Identity ... it means your iPhone supports eSIM. If you have a newer model, like iPhone 13 or later, you can use two active eSIMs ...

Searches like does iPhone 13 have eSIM and data roaming on or off highlight ongoing uncertainty about mobile technology in 2025. N ...

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 ...