The USB-C cable Apple is planning to bundle with the iPhone 15 series could have the same data transfer speeds as Lightning, which is bad news.
USB-C cable included with iPhone 15 may be limited to USB 2.0
Apple iPhone 15 Model Coming With Matching-Colored Braided USB-C Cables
Full iPhone 15 Ultra specs leaked ahead of expected Sept 12 launch, price may go up - India Today
A few things not mentioned in Apple's iPhone keynote – Six Colors
Latest iPhone 15 Leak Doubles Down On Restricted USB-C Port
iPhone 15's New USB-C Charging Port: What It Means for Apple Users — 9 Tech Eleven
Apple may launch iPhone 15 and iPhone 15 Pro with different USB-C ports - The Economic Times
Leaked images show iPhone 15 USB-C connectors - PhoneArena
The 2023 iPhone 15 - 5G Training and 5G Certification