Call quality over Sprint's 3G network in San Francisco was quite good. My friends on the other end of the line reported that my voice sounded loud and clear, with no distortion or static.

Sprint's 3G coverage in the South Park neighborhood of San Francisco was reliably good. PCWorld's mobile site launched in 9 seconds, and our full site launched in 43 seconds. As we grow accustomed to 4G speeds, this loading period may seem slow, but it's pretty fast for a 3G network.

Bottom Line

The everyday smartphone shopper will probably pass on the XPRT, but its security and enterprise features will please any business or IT professional, and its design is ideal for banging out e-mail and text messages quickly. The display isn't great for video or gaming, however, and the camera is mediocre. If you're looking for a phone on Sprint that can keep you entertained for hours, you might want to check out the .