Earlier quoted context omitted.
Samsung Galaxy S10e (with recent software). It wasn't cheap. And all my previous Android phones were fine too, but this one only has the little hole in the screen for the camera. There is no sensor.
Not sure if the device really is the issue here. I've the same phone, it costed me $600 when I bought it 3.5 years back. And till date, it's the best phone I've owned: not too big, headphone jack, expendable storage, physical dual sim, capable cameras and Touch ID that's located just right. Importantly, I've never had issues that you mentioned (dropped calls or Bluetooth glitches for that matter) I use this phone (S1…
I found guy reporting it as software issue: https://www.reddit.com/r/galaxys10/comments/bzv9oq/proximity...
though other says it's faulty design https://www.reddit.com/r/galaxys10/comments/d94ob7/proximity...
Samsung recommended to return the phone, some people had luck with changing Touch sensitivity settings and Accidental touch protection https://piunikaweb.com/2019/03/18/samsung-galaxy-s10-proximi...
possible to test it here to see whether it's hardware or software issue https://forum.xda-developers.com/t/the-proximity-sensor-is-n...
But considering not all people have this problem it's either software error, software setting or some batches had hardware issue or they fixed the design.