In one sense, many budget smartphones aren't budget enough; they often require some substantial financial discipline for the typical buyer. Not so Vodafone UK's new Smart Mini: at just £50 ($78) on pay as you go service, it's very nearly an impulse purchase. You're even getting a bit more than you'd expect for that small cash outlay. While the 3.5-inch HVGA screen, 2MP camera, 1GHz MediaTek chip and 4GB of storage won't floor anyone, the Smart Mini ships with Android 4.1 Jelly Bean -- we've seen more expensive phones that carry older software. Those who like the Smart Mini's back-to-basics proposition can pick up a black or white model today.