deb https://deb.debian.org/debian bookworm main non-free non-free-firmware
not deb https://deb.debian.org/debian bookworm main contrib non-free non-free-firmware ? -- CK
deb https://deb.debian.org/debian bookworm main non-free non-free-firmware
not deb https://deb.debian.org/debian bookworm main contrib non-free non-free-firmware ? -- CK