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The lightning port does support USB 3 speeds, the old iPad Pro (pre-USB C) models supported USB 3 over the lightning connector and Apple even released some adap

The lightning port does support USB 3 speeds, the old iPad Pro (pre-USB C) models supported USB 3 over the lightning connector and Apple even released some adapters that took advantage of the speed: https://www.apple.com/shop/product/MK0W2AM/A/lightning-to-usb-3-camera-adapter https://www.apple.com/shop/product/MK0W2AM/A/lightning-to-us... But for some reason Apple has never brought this support to the iPhone's lightning port.

dzhiurgis 6y ago
Maybe their flash storage is too slow so people would notice? Right now it takes hours to back your phone.
- kalleboo 6y ago
  Apple's flash storage is actually extremely fast. I could only find benchmarks of the iPhone 6s (a 5 year old phone!) but even back then it clocked 400 MB/s read speeds
ksec 6y ago
The Controller, both in power consumption and size requires for those USB 3 Speed never quite fit into iPhone requirement. ( You can check out the size of USB 3 Speed lightning controller on that iPad, if my memory serves me correct it was 4x the size of similar controller for iPhone ) In 2020 this may no longer be the case, but then there is the BOM cost issue. Why pay more for this feature when you can do it wirelessly? WiFi 6, and in the future 802.11ay using mmWave provide 1Gbps to 10Gbps real world wireless transfer speed.