mika
release api *but doesn't show very latest ones (that are visible in hidden beta page) https://services.docs.unity.com/release/v1/
this is now available https://github.com/unitycoder/UnityLauncherPro/releases
i don't have those devices to test, so not sure what issues there are.. Android support is also limited, to meshes only (cannot load large clouds dynamically etc.) what would...
another workaround for mobile is my point cloud to GLTF converter, https://las2gltf.kelobyte.fi/ then you have GLTF (mesh) tiles to work with (without needing external viewer plugin)
seems to be behind graphql query (and per editor version) but found something promising 
well nevermind, unity support contacted and they will later give some info/tips for doing the installs myself (without assistant, which is most likely getting removed in future).
shouldn't close this, since still need to add those features.. - [ ] add full installer download (like hub) - [ ] handle download resume? - [ ] handle modules...
listed as xLTS in hub 
reported as a bug, lets see.. "IN-99018"
nice, accepted as a bug https://issuetracker.unity3d.com/product/unity/issues/guid/UUM-102905