While devices like the Galaxy Fold open like a book, products like the Moto Razr and Galaxy Z Flip 6 mimic the old clamshell phones that used to dominate the cellphone industry. Personally ...

This iDEN phone packs the features of the i850 into a tiny clamshell body as small as the old i830, but even lighter, while adding Bluetooth and a color outer display.

If you're bored with mainstream smartphones and are on the fence about switching to a foldable phone for a fresh experience, check out the clamshell-style flip phones. Unlike book-style foldable ...