Adding to my previous report I should have mentioned that libraspberrypi-bin does not exist and so can not be installed
root@rpi4-ubuntu:/etc/apt/sources.list.d# apt-get install libraspberrypi-bin Reading package lists... Done Building dependency tree Reading state information... Done Package libraspberrypi-bin is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'libraspberrypi-bin' has no installation candidate -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1884748 Title: [needs-packaging] rpi-eeprom To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1884748/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs