If you're using the Speedtest app by Ookla to test your Thunderbolt's speed, you should be aware that the app is incorrectly reporting crazy upload speeds. Engadget contacted Ookla and here's the quote:
[Update: We've been told by Ookla that the Thunderbolt's massive send buffer is responsible for the erroneously high uplink speeds -- they've got a fix in the works and it'll be available as an update to the Speedtest.net app soon.]
HTC Thunderbolt review -- Engadget
[Update: We've been told by Ookla that the Thunderbolt's massive send buffer is responsible for the erroneously high uplink speeds -- they've got a fix in the works and it'll be available as an update to the Speedtest.net app soon.]
HTC Thunderbolt review -- Engadget