I have an issue with mounting a cheap smart watch in #linux: Device is seen by the kernel, but never registered as a storage device /dev/sd*:

usb 1-2: new full-speed USB device number 3 using xhci_hcd
usb 1-2: New USB device found, idVendor=0e8d, idProduct=0002, bcdDevice= 1.00
...
usb-storage 1-2:1.0: USB Mass Storage device detected
scsi host0: usb-storage 1-2:1.0

Ok, the plot thickens. When booting from the Linux Mint USB stick, the USB ports work. But when booting the installed version, USB ports are broken. Why??
@root42 lack of USB modules for the kernel that boots?
@zeri could be! Which modules are required? Which package do they come in?
@root42 don't know. But that's something it is probably safe to ask a chatbot ... worst case you load a module you don't need. Might also be that there are no modules because a kernel update failed.