According to the Nexus One Help Forum. Google is working to help address the 3G issues some subscribers are experiencing.
uncovered specific cases for which a software fix should improve
connectivity to 3G for some users of the Nexus One.
Google is testing this fix now,
initial results are positive.
If everything progresses as planned, they will provide an over-the-air software update to the Nexus One.
The post warns, "it may be, however, that users are experiencing
problems as a result of being on the edge or outside of 3G coverage,
which a product fix cannot address."
The Google Nexus One had received fab first looks,
and then well "issues" appeared with long waits for email support and
touchiness with the touchscreen. However HTC does offer live-US-staffed 888 number tech support. It was recently reported that voice transcriptions on the the Nexus One removes swear words. Web banner ads contend that the Nexus One wallpaper has sentience.