When I was younger I got a new phone every 2 years or so, because I always got an used phone that couldn't work as it should for longer than that. After a little while I started to buy new phones and I started to change the phones every 3 or 4 years. Right now, I have a phone that is 3 and a half years old and it still functions well, so I'll hold on it for a little longer, for an another year at least. I don't really see the point of changing the phone every year like some people do, just because they think that the phone is out dated.