iPhone Handoff in iOS 27: How It Works, Pricing, and Carrier Support

Apple in iOS 27 introduced iPhone Handoff, a new eSIM feature that allows you to use the same number on two iPhones and seamlessly swap between them. The number is only active on one iPhone at a time, so it's not like having two independently active lines. It's also different from Apple's existing Handoff feature for continuing an app task…

Summary from the MacRumors feed. The full story lives on their site.