About 2 year old Samsung a727. On AT&T. Service is ok, but it often drops calls when it leaves 3G. It was the thinnest phone I could get at the time, and I have no need of a data plan, so I just wanted a slim profile. I have a touch, so all I use if for is the phone aspect. Works well with Bluetooth, but texting is a pain in the butt. Decent camera, for the rare occasions I use it.