2018 iPhones to support eSIM later this year via an update, will work with Verizon, AT&T, and T-Mobile in the US at launch, Sprint to support in the near future
Experiments in 4K, Slo-mo, and Time-lapse — Apple John Voorhees / MacStories : September 12 Event Roundup: All the Little Things Apple Support : Learn about Dual SIM with your iPhone Xs or iPhone Xs Max Habeeb Onawole / Gizmochina : How it works: Dual SIM on the iPhone Xs and iPhone Xs Max Tim Culpan / Bloomberg : Apple Finally Gets How to Play the China Market
Context & Ripple Effects
When Apple put an eSIM alongside the nano-SIM tray in the iPhone Xs and Xs Max, the hardware shipped before the US carrier side was ready: by late October, eSIM activation was still unavailable from AT&T, Verizon, and T-Mobile, even though it worked in other countries. The feature only went live stateside once Apple pushed it in a software update, with each carrier switching it on on its own schedule.
That staggered rollout set the template for everything after: AT&T became the first major US carrier to support Dual SIM on iPhones via the iOS 12.1.1 update, Verizon followed within a week by letting new customers activate eSIM through its My Verizon app, and the capability eventually culminated in Apple making eSIM the only option on US iPhone 14 models.
First-order effects
- US buyers of the iPhone Xs and Xs Max get dual-SIM hardware at launch, but can only use the second line once Apple ships the promised update and their carrier enables it — Sprint customers wait longest, since Sprint is absent from the launch lineup.
Second-order effects
- The three launch carriers are forced to build eSIM provisioning flows to keep pace with each other, as AT&T's first-mover move and Verizon's app-based activation show; laggard Sprint risks losing dual-SIM-motivated upgrades until it follows.
Third-order effects
- If the pattern holds, the physical SIM tray becomes optional and then removable — which is exactly where the arc lands with the US iPhone 14 — shifting line activation from a plastic card distributed by carriers to software controlled jointly by Apple and the carrier.
The trend: Smartphones are moving from physical SIM cards to software-provisioned eSIMs, with Apple's update cadence dictating when US carriers must be ready.