
The Z400's 1.3-megapixel camera takes pictures in four resolutions and three quality settings. Other features include a night mode, brightness and white balance meters, a self-timer, spot metering, a multishot mode, six fun frames, five color tones, and five shutter sounds (pus a silent option). Photo quality was satisfactory, even if colors were a bit oversaturated.

The camcorder shoots offers a similar set of editing options. Messages meant for multimedia messages are capped at 30 seconds; otherwise you can shoot for as long as the available memory permits. The Z400 offers a respectable 21MB of space. We like the easy-to-use menus in both camera and camcorder modes.
You can personalize the Z400 with variety of screensavers, color themes, clock styles, and greetings. You always download more options from Sprint via the WAP 2.0 wireless Web browser. The Z400 also comes with several games demos and trial applications of The Weather Channel Mobile and Sprint's Live Search, which integrates the phone's voice command function with GPS and 411 services.
Performance
We tested the Samsung Z400 in San Francisco using Sprint's service. Call quality was very sharp and clear. Voices sounded natural, and we had no trouble hearing our callers in a variety of environments. Occasionally the signal was interrupted by some interference, but it was a minimal problem. On their end, callers said we sounded fine. They could hear us well and some couldn't tell we were using a cell phone. We didn't encounter problems with automated calling systems.
The Z400 has a great speakerphone. Audio on our end was quite clear and we were surprised at the speaker's powerful output. Similarly, PTT calls were more than satisfactory. In fact, we noticed improved quality over iDEN devices.
The Samsung Z400 has a rated talk time of 5.8 hours. The tested talk time is 4 hours and 56 minutes. According to FCC radiation tests, the Z400 has a digital digital SAR rating of 1.36 watts per kilogram.
What You'll Pay
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