You’d think that the bendy display is the hardest part about making a foldable phone, but OLED panels have been built on flexible plastic substrates for years now. The part that is actually hard is the hinge – Samsung took five generations to get it right. The new Flex Hinge allows the Galaxy Z Fold5 to close flat – the gap between the two halves was among the things that caused the most complaints on previous Z generations. Aesthetically it looks better as it makes the phone symmetrical, but it has practical advantages too. The gap added to the closed thickness, pushing the Z Fold4...
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