The new 2.2.1 update for the Nexus One has begun to push through OTA to all users. The update is a minor one, reportedly fixing wifi connectivity issues, but users are reporting a bug with Swype and other third-party keyboards.
A manual update can be done for those that prefer not to wait and have some level of expierience on how to "flash" a rom. Here are the step-by-step instructions as given by Technixupdate:
- Download the Android 2.2.1 firmware for the Nexus One from here
- Rename the file update.zip and copy it to your microSD card via USB. [Note: make sure the file is named update.zip and not update.zip.zip.]
- Power down your Nexus One
- Hold down the "Volume Down" button as you power the phone back on.
- A screen should appear showing your phone's system searching for various files. Scroll down to "recovery" and press the "Power" button.
- When you see the triangle with an exclamation point symbol, press the "Power" and "Volume Up" buttons at the same time.
- From the menu that appears, select "Apply sdcard:update.zip."
- When the screen displays "Install from sdcard complete" select "reboot system now" and wait for the phone to power back up.