Starting from Linux Kernel 4.19, the Asus USB-AC51 is supported. See https://github.com/torvalds/linux/blob/v4.19/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c#L30
You might wanna give it a try. (Try install all the following debian packages: linux-image-unsigned-4.19.0-041900-generic_4.19.0-041900.201810221809_amd64.deb linux-modules-4.19.0-041900-generic_4.19.0-041900.201810221809_amd64.deb from https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19/ ) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1529715 Title: ASUSTek Computer, Inc. AC51 Wireless Adapter [Mediatek MT7610/Ralink RT2870] doesn't work on ubuntu 14.04 LTS &15.10 with kernel 3.19&4.2 & 4.4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1529715/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs