Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. Simple fixes often ...

A few years ago, the absence of dual SIM in iPhone was listed as a major shortcoming by numerous smartphone users.

On rebooting, the iPhone picked up on the dual-SIM module, reconfigured the Settings app to deal with two physical cards, and Apple’s smartphone ran happily with two physical SIM cards.

To use Dual SIM with eSIM, you simply activate two eSIMs; see “ How to activate and set up your iPhone 14’s cellular service with eSIM,” which includes advice for any eSIM-supporting iPhone.

A SIM card is not required to activate your iPhone; you can use Wi-Fi and messaging apps instead to use most features.

Apple's move to eSIM on the iPhone 15 isn't as complicated as it sounds. Here's how to get your SIM transferred over if you're coming from an Android phone.

The iPhone 14 doesn't have room for a physical SIM card. The good news is that Apple has made it effortless to transfer your phone number over to the new eSIM.

With the release of iOS 12.1, iPhone XS and iPhone XR users are able to enable eSIM and Dual SIM support on their device. Follow our how to to learn how ...