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Apple to Limit iPhone 15 USB-C Cables to USB 2.0 Speeds: Report
(www.extremetech.com)
This is a most excellent place for technology news and articles.
I usualy agree with this but here is a thing USB 2.0 is really not that slow. I higly doubt you need faster data transfers on a phone.
The best argument I can see for faster than USB 2.0 speeds is YouTubers that shoot 4k video on iPhones and then need to edit the video. That's a very small number of people though
Those are definitely iPhone pro users and those get thunderbolt if my feeling is right (based on rumors I lost the source, lol)