I've got a Dell XPS 13 7390 Developer Edition with the AX200 wifi chipset. Upgraded to 20.04 from 19.10. Post-upgrade, wifi speeds were so slow webpages would not load. After removing the `backport-iwlwifi-dkms` package and rebooting, wifi speeds went back to normal.
Ended up here via https:/ /askubuntu. com/questions/ 1230525/ ubuntu- 20-04-network- performance- extremely- slow
I've got a Dell XPS 13 7390 Developer Edition with the AX200 wifi chipset. Upgraded to 20.04 from 19.10. Post-upgrade, wifi speeds were so slow webpages would not load. After removing the `backport- iwlwifi- dkms` package and rebooting, wifi speeds went back to normal.