Nexus One Android 2.1 Update (3G fix)

A New ROM for N1 is leaked and available for download. This new update have fixed 3G issue and many other updates
 Firmware version
2.1-update1
 Baseband-Version
32.26.00.24U_4.04.00.03_2
Kernel-Version
2.6.29-01117-g4bc62c2
Android-build@apa26 #1
Build-Number
ERE36B

Here are guide how to update.

Step 1: Download the update from here
Step 2: Rename the file to " update "(if you are using windows) otherwise rename this with "update.zip"
Note: Dont use "" quotes
Step 3: Copy the update.zip file onto your microSD card.
Step 4: Hold down the trackball and press the power button for few seconds.
Step 5: Nexus one will be booted into a white screen with three Android Robots .
Step 6: Select " Bootloader "
Step 7: Select " Recovery" when next screen apear.
Step 8:  Your Nexus One will automatically reboot, After Reboot you can see a picture of android robot with an exclamation point inside a triangle.
Step 9: After this select " Apply sdcard:update.zip "
Step 10: Setup will run, when completed you have done.

Related topics :
How to Run Android on Your Windows Mobile.
Archos 5 Android internet Tablet.
How to Get a Nexus One Outside The Country Where Google Not Shipping.
How to Manually Update Your HTC G1 to Donut 1.6.