The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

Apple removed the physical SIM slot for the iPhone 14, 15, and 16 in the US. If you're travelling out of the country or need a separate work line, here’s how to get connected using an eSIM.

If you're a new T-Mobile customer or you recently purchased a new phone, you may have a new SIM card you'll need to activate. Here's how to set it up.

Here’s how to add an eSIM to any supported iPhone, from the iPhone XR to the iPhone 14.

If, on the other hand, your transferring a physical SIM to an eSIM on a completely different iPhone, here's how to do it. On your new iPhone, go to Settings, then choose Cellular.

If, on the other hand, your transferring a physical SIM to an eSIM on a completely different iPhone, here's how to do it.