Some additional tests and information:
# Dropped packets Most probably related to the issue, ifconfig reports many Rx dropped packets: RX packets 43069 bytes 5876166 (5.8 MB) RX errors 0 dropped 23762 overruns 0 frame 0 TX packets 5083 bytes 674212 (674.2 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 # Disabling 11n I did try disabling 11n (`echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf`). This did not improve the WiFi speed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874230 Title: WiFi is extremely slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs