The Android 2.2-powered Galaxy S 4G will be sold by T-Mobile , and will be priced at about $150 with a two year contract. , while not technically a , has been showing some impressive speeds after upgrading to reach up to 21 megabits per second (theoretical) download speeds.

The Galaxy S will be the first T-Mobile smartphone to support up to 21 mbps if the network delivers it. T-Mobile's other HSPA+ smartphones-the HTC and the -max out at 14.4 mbps.

This speed could make streaming video work very well on the phone. I found the HD video displayed on the phone's 4-inch screen to be colorful, bright and sharp. The games I played on the phone looked similarly good. The Galaxy S 4G has a 1 GHz Hummingbird processor inside, which seemed like more than enough to run smooth video and to launch apps quickly.

One disappointment here is the . It's unclear why Samsung is not shipping this phone with the latest version of the OS, which has been out long enough to have proven stability to manufacturers. The phone may be upgraded to the newer OS in later versions.