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IDK. I hate that I can't remember why I had to manually change by firmware.
Indeed. Messing with the firmware is a desperate/last resort effort.danham wrote: Wed Jan 14, 2026 3:38 pm But until or unless the XT misbehaves I think I'll hold off on further experiments.
If it's a powered hub, that boost in available voltage has been the key difference for some devices on some Macs. How's that for a vague answer?lkraus wrote: Wed Jan 14, 2026 2:47 pm I don't know what the hub does, I only tried it because I knew many Mac users could not connect at all without a hub. Maybe it slows down the transfer, or maybe it serves as a regulator to keep the transmit/receive signals in sync? Garmin tends to use old tech which can't keep up with newer computers. I really would have expected the XT to use a USB-C connection and support exFAT microSD cards.
