At the annual CTIA event in Las Vegas last week, more than 40,000 people turned out to listen to the keynotes, walk the show floor and see some of the next big devices to hit store shelves.

Some of the highlights included the unveiling of several Android devices, including the Samsung Galaxy S and Sprint’s announcement of the HTC EVO 4G. Here’s some of the pictures in review, including behind-the-scenes shots from some of the press conferences. Below are five of the top stories:

—Sprint Builds On 4G Momentum With First WiMax Phone

—Samsung Stresses Mobile Content With New Smartphone

—European Operators Even Concede That The U.S. Is Leading In Mobile

—AT&T Solves 3G Coverage Gaps One House At A Time

—Yahoo Extends iPhone Push To Search