Android 2.2 Froyo Upgrade Nexus One Available, But HTC EVO 4G Fail


Although, Google announced to upgrade the Nexus One OS to Android 2.2 Froyo.
Android Froyo itself was just announced at I/O event.
But some said that the upgrade is available now.
The upgrade processes would be done by OTA (over the air) so just follow the notifications.
For HTC EVO 4G, the last Android phone, got fail when upgrade.
In Android 2.2 Froyo Google promise faster OS than the previous, better camera interface and a zoom touch gesture for picture collections, a better search app, capable of playing Flash 10.1, built-in task manager, etc.