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Apple iPhone 15 relegated to USB 2.0 unless you buy the Pro
(www.pcgamer.com)
This is a most excellent place for technology news and articles.
The only people who need the USB 3 transfer speeds are going to be Pro users. For everyone else, it doesn't matter.
Why do Pro users need 3 transfer speeds?
If they use their phone for it's internet connection and need to send large amounts of data, like after a photo shoot.