A SIM (Subscriber Identity Module) is a tiny bit of circuitry that uniquely identifies your cellular modem in a phone, tablet, or other device to nearby cellular networks to allow access for voice, ...
A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...
In the US, all versions of the Apple iPhone 16 series support eSIM. They also all support dual-SIM, using two eSIM profiles at a time. However, there is no support for physical SIM cards in the US.