Buried in the latest iOS 12 beta is evidence that Apple is going to release the first iPhone that can have two SIM cards installed at once. But most people won’t have the option to buy this device.

Apple introduced the first dual-SIM iPhone in 2018 when the iPhone XS generation added eSIM support in addition to a regular nano-SIM. The feature has been available on every iPhone Apple launched ...

Plenty of smartphones have eSIM support to enable cell service without a conventional SIM card, but only for one line — you still need a card if you need two lines. That won't be an issue with iPhones ...