@epruitt373 i am using a usb c to mini jack from huawei and it works

@jcerdan you need to find a phone that supports waydroid .waydroid comes with android 10 and some phone (like oneplus 3t due to the old android kernel) cant run it .you can use anbox but i would not advise that.
I am running ubt on a onplus 6T works fine, issue is the battery drain and with waydroid i hardly make a full day.
there are other phones like volla etc anyway if you want to run waydroid for your android apps find a phone that supports it

@epruitt373 i am using a usb c to mini jack from huawei and it works

@jcerdan you need to find a phone that supports waydroid .waydroid comes with android 10 and some phone (like oneplus 3t due to the old android kernel) cant run it .you can use anbox but i would not advise that.
I am running ubt on a onplus 6T works fine, issue is the battery drain and with waydroid i hardly make a full day.
there are other phones like volla etc anyway if you want to run waydroid for your android apps find a phone that supports it

You can use the roll back zip from here : https://forum.xda-developers.com/t/guide-rollback-downgrade-from-oos-android-10-q-to-stable-9-pie.4000645/

you can flash the file from the oxygen update app or twrp. if you flash oos 9 from twrp on both slots twrp will not work ,you will need a twrp compatible with android 9 bootloader