- iPhone 15 and iPhone 15 Plus: USB-C 2
- iPhone 15 Pro and iPhone 15 Pro Max: USB-C 3
Yes, Apple is officially ditching Lightning this year for USB-C, as much as it would love to continue selling licenses to third-party Lightning manufacturers. And it would have gotten away with it if it weren't for that meddling EU. So now we have a totally unified charging and data transfer solution for all smartphones, right? Well, no. In fact, even in the iPhone's first USB-C smartphone family, there are some compatibility caveats. The iPhone 15 Pro and 15 Pro Max are compatible with USB-C 3 speeds (up to 10Gbps transfer speeds) but the iPhone 15 and iPhone 15 Plus will only take USB-C 2 (480mbps transfer speeds.)
To make matters a little more confusing, the USB-C cable Apple ships with the iPhone 15 Pro is a USB-C 2 cable. To take advantage of the faster transfer speeds, you'll need to purchase a separate USB-C 3 cable. Apple currently sells a 1-metre Thunderbolt 4 Pro cable for $115. That's just the cable, no brick included. Sorry to break it to you.
Still, USB-C on iPhone 15 has other benefits. For one, most of your non-Apple devices should already be using it if they were released in the last five years or so. Secondly, you can now use the USB-C to USB-C cable to charge your AirPods Pro from your iPhone 15.
Sorry, not your AirPods Pro, they still use a Lightning cable, the brand-new USB-C powered AirPods Pro that Apple quietly announced alongside the new iPhones which are functionally the same as last year's bar one or two very small differences.