This update to Samsung's flagship curved-screen phone has a larger battery, memory card slot, upgraded 12-megapixel camera, always-on display, and curved-edge glass on the front and back.

Before becoming a professional phones guy, I was a faithful Samsung user, eking out every last drop of life from my Galaxy S7 before my job required me to swap devices more regularly. So I've seen ...

Despite a rocky start, One UI is widely regarded as the most reliable flavor of Android, and Samsung's revamped update policy ...