Official Android 2.2 Froyo update available on the Nexus One

Android 2.2 aka Froyo is now officially availble to all Nexus One users. The FRF85 build is currently being pushed out OTA to all devices on AT&T and T-Mobile but you can safely download directly from Google Servers here and install it yourselfs using the following instructions:

- Rename the file to update.zip

- copy it to the Root of your micro-sd card

-Boot your device in recovery mode by holding the the trackball and pressing once on the power button

- Select Bootloader and then select Recovery

- Let the device reboot (it will display an exlamation point) and then press the volume up and power button at the same time

- finally select “Apply sdcard:update.zip” with the trackball.

-Voila

Source: Google