How are they not usable? I use a Nokia 7.2 and I think it's a perfect phone. Good screen. Pure Android. Fast. Nice camera (though I really don't care about this

How are they not usable? I use a Nokia 7.2 and I think it's a perfect phone. Good screen. Pure Android. Fast. Nice camera (though I really don't care about this). It has 64GB of internal storage, but adding an SD card was straightforward.