Update 6 months later - Still acts like it was bought yesterday. Everything is so smooth, fast and responsive, battery health is still great with no issues that I know of. I still have no regrets about this purchase and love this phone! (The original review is below.) First, I want to share my experience of buying a used phone. I was very hesitant about it. But Revain has a great returns policy so I figured if it's not what I expected I could always return it. It bothered me a lot in previous…