Quick & Easy: Fixing Android TV's "incompatible version on this device"

"You cannot install this app because another user has already installed an incompatible version on this device"

• First you have to install Android Platform tools
• adb shell pm uninstall org.jellyfin.androidtv (find your app name at apkpure or some other site that list it)
• adb install -d -r your.apk

-d = downgrade
-r = replace