To test gaming performance, we used both the Egypt version and the Pro version of . We ran the tests first with antialiasing on and later with antialiasing off, repeating both tests three times and averaging the results to produce four different scores, measured in frames per second. The HTC One S turned in average frame rates of 60 frames per second with antialiasing off and 59.6 fps with antialiasing on. By comparison, the Galaxy Nexus had average frame rates of 42.5 fps with antialiasing off and 23.4 fps with antialiasing on. In my hands-on tests of graphics-heavy games like Anomaly Warzone HD, World of Goo, and Osmos, the One S ran flawlessly. This is a superb gaming phone.

Using the FCC-approved Ookla Speedtest.net app, I tested T-Mobile's HSPA+ 42 network in various parts of San Francisco. On those tests, the HTC One S delivered surprisingly slow data rates: an average of 4.27 megabits per second for downloads and 2.48 mbps for uploads. According to T-Mobile, the review unit we received was not configured for the HSPA+ 42 network and "these are not the speeds consumers will experience."

Call quality was hit-or-miss. One of my friends reported that my voice sounded "digital" while another said that I sounded very distant. A few of my friends noticed that my voice was "breaking up" a bit on a few calls. On my end of the line, my friends sounded okay, but I could hear some static in the background.

We have not yet completed our formal battery tests, but we will update this review once we obtain the results. In my hands-on use, the fully charged battery held up over an entire day of moderate-to-heavy use.

Bottom Line