The above Android smartphone is the Sony Ericsson Xperia
Arc S, which is now available. Buy.com has the Android smartphone listed at $261.99, unlocked, which means, there is no contract involved. The Sony Xperia Arc S comes in white, black and blue and works best with the carrier AT&T, as AT&T has the support for 4G HSPA
The Sony Xperia Arc S is compatible with T-Mobile as well, but with 2G/EDGE
mobile data speeds.