Oh, this brings up a good point: since the topic of older refurbished phones has come up, don't buy a phone with only 16 gig of memory. The operating system would consume virtually all of that, leaving no room for anything else. Get at least 32. Since you say you won't be using the phone for much, that should cover it. Obviously, the more memory, the more room for videos, music, apps, etc., should you ever venture into that stuff.
Kevin Slater