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.

However, if you plan to buy the Galaxy S7 and Galaxy S7 edge, then you definitely should pay attention to the way Samsung handles memory expansion before you commit to any of the phones.

With the Note 7 having died a death, there's a big hole in some people's smartphone choices. Fortunately there are some very ...