They could always make it X% thicker. We used to fit 15mm thick phones in our pockets with no trouble in the old days. Not to say you're not making a fair point

They could always make it X% thicker. We used to fit 15mm thick phones in our pockets with no trouble in the old days. Not to say you're not making a fair point. Although if it came down to it, I'd still much rather have the old size even if it still had a 4" non-edge-to-edge screen.