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.

Slim phones seem to be all the rage right now, and Samsung beat Apple to the punch by debuting an extremely thin Galaxy Edge phone.

The latest Galaxy Edge phone (before the S25) was in 2016, so in case you need a refresher, here's every Galaxy Edge phone ...