Foldable phones have one big problem: They're expensive. Chinese tech giant ZTE is the latest company trying to change that, with its Nubia Flip 5G, a clamshell-style phone that costs just $600. That ...

Mike Sorrentino is a Senior Editor for Mobile, covering phones, texting apps and smartwatches -- obsessing about how we can make the most of them. Mike also keeps an eye out on the movie and toy ...