I’m stucked on 18.9 November 2020 on a Raspberry Pi 2 Model B having the “Connectivity issue”
Already tried the Hotfix without success and already checked in /etc/apt/sources.list no presence of old entry as reported in another post, this is my source.list
deb Index of /debian buster main contrib non-free
deb Index of /debian buster-updates main contrib non-free
deb http://security.debian.org/ buster/updates main contrib non-free
deb http://apt.osmc.tv buster main
deb-src Index of /raspbian/ wheezy main contrib non-free rpi
deb-src Index of /raspbian wheezy main contrib non-free rpi
Do u have other suggestions?