Originally Posted by jsconyers
That's exactly what it is. T-Mobile doesn't have "true" 4G. They have enhanced 3G or 3.5G if you will in High Speed Downlink Packet Access, more commonly known as HSDPA. This is NOT LTE or WiMax which are more commonly known as 4G.
T-Mobile doesn't even consider their HSDPA network to be 4G, only their HSPA+ network. However, according to the ITU, not even LTE or WiMax is 4G, so all the carriers in the world are really using a misnomer calling their networks 4G. HSPA+ is more accurately called a 3.75G network.