This is the first improvement I saw. Wifi is now connected at 12Mb/s

Quote Originally Posted by praseodym View Post
You could update the firmware via:
Code:
wget de.archive.ubuntu.com/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.116_all.deb
sudo dpkg -i linux-firmware_1.116_all.deb
and reboot.

Of course, check also chili555's recommendations with your router settings.