The package oem-somerville-tentacool-meta will install another source list /etc/apt/sources.list.d/oem-somerville-tantacool-meta.list. when you do the $ sudo apt update, it should update packages in dell.archive.canonical.com. after $ sudo apt install oem-somerville-tentacool-meta, it will update to a new oem-somerville-tentacool-meta here [1].
Did you disable other source list in you environment?
reply #101,
The package oem-somerville- tentacool- meta will install another source list /etc/apt/ sources. list.d/ oem-somerville- tantacool- meta.list. when you do the $ sudo apt update, it should update packages in dell.archive. canonical. com. after $ sudo apt install oem-somerville- tentacool- meta, it will update to a new oem-somerville- tentacool- meta here [1].
Did you disable other source list in you environment?
[1] http:// dell.archive. canonical. com/dists/ jammy-somervill e-jellyfish- tentacool/ public/ binary- amd64/Packages