We knew it would come sooner or later. Yes, the Android 2.2 (Froyo) manual update update for the Nexus One is finally here and is available for download!
Nexus One users who have rooted their device can now grab the manual Android 2.2 FRF50 update for their devices.
Download Android 2.2 (Froyo) FRF50 for Nexus One
You can download it from the link given here: Download Froyo FRF50 [Mirror]