If you own the Sprint HTC EVO 4G you can manually check to see if you have gotten the over air update to Froyo Android’s Version 2.2 in the settings menu:
On your phone you can go to Menu –> Settings –> System Updates –> HTC software update
You can download the update manually as well by clicking here[HTC]. AndroidSpin has a tutorial that can help you out as well located here.
If you upgraded, let us know what you think…