The Flip and Fold turned a corner last year. Previous versions of Samsung’s folding phones were more tech demos than anything — awkward, very expensive, and too fragile for just anyone to consider against a garden-variety slab-style phone. That started to change in August 2021 when Samsung figured out how to waterproof folding phones.
This year, Samsung has made some key upgrades that bring even more parity to the foldable line versus the S-series flagships. Picking a Z Fold 4 over…
