Google Nexus One: How to Erase All Data From Your Phone (Factory Data Reset)

If you’ve put too much junk on your phone and wish to start with a clean slate, performing a Factory Data Reset will erase all applications, system settings, downloaded apps (this will not erase SD card files!).

1. Go to the Nexus One’s Main screen

2. Select the Menu key.

3. Select Settings.

4. Select Privacy.

5. Select Factory data reset.

6. Select Reset phone.