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A new component leak points towards Apple going all out for the new iPhone 15 series USB-C port that could come with the latest USB4 or Thunderbolt standard.
New live images of the iPhone 15, iPhone 15 Plus and iPhone 15 Pro Max's USB-C connector and PCB board come from a report by ChargerLab. The publication has also made certain revelations based on what they could find out from these images. All three iPhone 15 models mentioned above seem to feature the same USB-C socket hardware.
Surprisingly, this socket features a "Retimer chip" which the publication says is commonly found in devices with a USB4 or Thunderbolt-spec USB-C port. This chip provides stability for high-speed transmissions and ensures a smooth transfer between longer distances, all of which point towards the iPhone 15 series featuring these standards.
To recall, the Lightning port is based on USB 2.0 standard and allows just 480mbps of maximum transfer speed on the iPhone 14. Thunderbolt or a USB4 specification on the other hand will allow the iPhone 15 series to have wired transfer speeds of up to 40Gbps which is on par with high-end laptops and tablets that feature the same hardware. It would not be surprising if Apple limits the functionality of these ports through its MFi program which allows only certain accessory-makers certified by Apple to make compatible products.
This would mean that your standard USB4 or Thunderbolt-supporting cables might not make full use of the fast transfer speed and other capabilities unless it's one that is MFi certified. However, you will still be able to charge your new iPhone with most USB-C cables which is beneficial and cost-saving in the long term for most users. Apple's highly anticipated iPhone 15 series is expected to be unveiled on September 13th with a Periscope zoom camera on the iPhone 15 Pro Max and Dynamic Island for the standard iPhone 15.