iPhone 4
OS: iOS 4
Price: $199 for 16-gigabyte model with two-year contract, $299 for 32-gigabyte model with two-year contract

The iPhone is still the device to beat for myriad reasons. Its more than 200,000 apps easily obscure Android's 70,000 or so. It's still in second place behind Research in Motion's ( RIMM) BlackBerry products, but now has nearly a quarter of U.S. smartphone market share and is climbing, according to ComScore ( SCOR). It's 3.5-inch display is starting to look small, but other manufacturers still haven't matched the clarity of its high-resolution Retina display technology. They're also having a difficult time matching the seven hours of 3G talk time, six hours of 3G browsing, 10 hours of Wi-Fi browsing, 10 hours of video, 40 hours of music and 300 hours of standby battery life. Oh, and the front-facing camera is still a sweet addition.

But the iPhone's latest iteration is showing weaknesses that keep fanboys' fingers aflutter fighting in the comments fields. For one, Apple's tiff with Adobe means Flash compatibility is a problem -- it's still largely blind to a bunch of the video and Interactive elements found online. Another is the little matter of the case iPhone users should buy before squeezing the phone the wrong way and knocking out reception. The biggest bug the iPhone has, however, is one that would be easily remedied by a jump to Verizon: AT&T's spotty service, which a ChangeWave Research survey says is responsible for the company dropping a whopping 4.5% of calls, more than three times the percentage of calls (1.5%) dropped by Verizon.

The iPhone 4 has a strong hand to play if it makes the jump, but these existing Verizon smartphones are also being heard:

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