Bug#931561:

Hit the same issue in buster. While there are a couple of workarounds, wouldn't it be better to fix the package? --Adam

Bug#931561: fix bug 931561

git clone https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git cd linux-firmware mkdir /lib/firmware/mediatek/ cp mediatek/mt7610u.bin /lib/firmware/mediatek/ rmmod mt76x0 modprobe mt76x0 Adapter is working.

Bug#931561: Failed to load mediatek/mt7610u

Package: firmware-misc-nonfree Version: 20190114-1 USB Wi-Wi adapter "Archer T2U" does not work. lsusb output: Bus 004 Device 002: ID 8087:8001 Intel Corp. Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 002: ID 8087:8009 Intel Corp. Bus 003 Device 001: ID 1d6b