this post was submitted on 14 Sep 2023
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Lightning was already capable of USB 3 speeds. The OG iPad Pro had it.
They just never brought it over to their phones/cheaper ipads.
The iPad Pro had an external USB3 chipset on the mainboard. There likely isn’t space for an external controller in an iPhone.
It wasn’t really though.
The original iPad Pro had to do some shenanigans with it, which is why it only worked with a couple of specific accessories like the SD card dongle. They had special lightning connectors.
Lightning itself is only capable of usb 2 because of the pin set. Each side is redundant to the other to make it reversible. USB-c is a bigger connector with more pins.
The accessories that it worked with had a modified lightning connector that wasn’t redundant. The iPad would figure it out and change how data was flowing to the lightning connector.
That turned out to be a significant pain in the ass so they scrapped it and went to USB-C instead which solved that issue entirely, without having to pull the backend shenanigans.