Minimalist gadgets like the new Light Phone III, a smartphone that barely does anything, promise to help us focus. The trade-offs are big. Our personal tech columnist tried swapping out his iPhone for ...

New tech at Mobile World Congress could let you charge your phone when it's out in the sun or even under room lights. David Lumb is a senior reporter covering mobile and gaming spaces. Over the last ...

Keeping a phone fully charged is the only way to make sure it's ready for a long day. But there's a major difference between being "charged" and being "healthy." Most modern Androids and iPhones are ...