The S5 is a solid upgrade over last model, with improvements to the hardware, software and camera. However, certain headline features like the fingerprint scanner and heart rate monitor are mediocre at best. Chances are, you’ll be happy with the phone, but don’t fork out the extra cash for an early upgrade. If you’ve seen one Galaxy S device, you’ve seen’em all. Each iteration of the popular smartphone series has had a few nips and tucks, but overall it’s maintained the same look over the years. The S5 is no exception.