@Joseph-TP It is a 2016 model tablet and it tells me it has up to date/latest software installed, updated in 4/2020. Which I understand now that it may never again run newer apps (?) Or can I...

Tether app works on my Samsung XCover5 phone fine. Installed Tether on Samsung SM-t580 tablet with Android 8.1, but when opening the app, it briefly shows the startup screen with TP-logo, then...