So, going back to question in #60, the Dell link just says to get the latest stuff from kvalo's firmware repo.
If you are on 17.10 like myself then you already have it and it doesn't help with the original problem: ➜ ~ apt policy linux-firmware linux-firmware: Installed: 1.169 Candidate: 1.169 Version table: *** 1.169 500 500 http://archive.ubuntu.com/ubuntu artful/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu artful/main i386 Packages 500 http://ru.archive.ubuntu.com/ubuntu artful/main amd64 Packages 500 http://ru.archive.ubuntu.com/ubuntu artful/main i386 Packages 100 /var/lib/dpkg/status ➜ ~ sha256sum /lib/firmware/ath10k/QCA6174/hw3.0/firmware-4.bin dc74ba148cf88f1f99a62854112ec574d8c265d88417a4d969461448b0ab60c5 /lib/firmware/ath10k/QCA6174/hw3.0/firmware-4.bin ➜ hw3.0 sha256sum ~/src/ath10k-firmware/QCA6174/hw3.0/firmware-4.bin_WLAN.RM.2.0-00180-QCARMSWPZ-1 dc74ba148cf88f1f99a62854112ec574d8c265d88417a4d969461448b0ab60c5 /home/username/src/ath10k-firmware/QCA6174/hw3.0/firmware-4.bin_WLAN.RM.2.0-00180-QCARMSWPZ-1 [ ID] Interval Transfer Bandwidth Retr [ 5] 0.00-10.04 sec 29.2 MBytes 24.4 Mbits/sec 0 sender [ 5] 0.00-10.04 sec 29.2 MBytes 24.4 Mbits/sec receiver -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1670041 Title: Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless 1535) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1670041/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs