I asked a similar question to this before.... Has anyone used Ubuntu Touch to drive their phone? I believe if you plug the phone into a monitor, you get a desktop interface as well.
#^Home | Ubuntu Touchvolunteers worldwide working together to achieve our mission UBports is a global non-profit dedicated to putting you in control of your phone. UBports Foundation. (c) 2021•Ubuntu and Canonical are registered trademarks of Canonical Ltd.•License CC-BY-SA-4.0•Privacy...
It also looks like they have some compatibility with newer phones
#^https://devices.ubuntu-touch.io/ For example: The google pixel 3a is listed as stable with the only things I see not working are:
wireless external monitor and
volume control in calls.
Listed a NOT compatible: It looks like they are actively working to get the Galaxy S10 suite:
#^https://devices.ubuntu-touch.io/device/beyondxlte/I tested it years ago with the Nexus 10 tablet.