Phones Worth Breaking Your Contract for

You've signed up for a two-year hitch, but these sweet smartphones might make you rethink your commitment.

Smartphones are constantly and rapidly evolving--which can make sticking to a two-year commitment increasingly hard. Herewith, a quick look at five of our current favorites.

Slideshow: Forget iPhone 4S: Nine High-End Apple Alternatives

AT&T Apple iPhone 4S: A Solid Update

Though the iPhone 4S might not be the most exciting iPhone to appear, an improved camera, a faster processor, and the addition of the Siri personal assistant make it a powerful smartphone. If you are upgrading from a 3G or a 3GS, youll see a huge difference. But if you have an iPhone 4, you may want to wait for the next upgrade. The phones iOS still has a few irksome shortcomings, and I wasnt thrilled by the call quality (but I also found no antenna issues); otherwise, the iPhone 4S impresses.

The iPhone 4S is largely identical in design to the iPhone 4, and it exudes elegance. Fingerprints on its glass were less of an issue than on the iPhone 4.

The phones Retina displayso named because it surpasses the number of pixels that the human retina can processgreatly improves the sharpness, clarity, and visible detail of images. The display fades in bright sunlight, however.

In general I was disappointed by this phones lack of innovation. Android has long had features like tabbed browsing. Still, iOS 5 works well, runs smoothly, and is a strong version upgrade overall.

You can finally update your iPhone over the cloud, with no need to connect it to your PC. Also, the notifications feature is more capable. Mail adds formatting and a built-in dictionary. The iMessage app lets you send messages to any iOS device, regardless of whether it has SMS support.

Apple says that the iPhone 4S camera has 60 percent more pixels than the iPhone 4 camera (8 megapixels versus 5 megapixels); that doesnt translate directly into improved image quality, but it does mean that youll be able to print out images at a bigger size without losing resolution.

We ran head-to-head subjective lab tests of the iPhone 4Ss camera versus the cameras on a bunch of Android phones and an older iPhone 4, and (as a control) a stand-alone digital camera. The iPhone 4S ranked third in image quality in our tests, below the undefeated MyTouch 4G Slide and the second-place Samsung Galaxy S II. You can see the full results of our tests here.

In my own casual hands-on testing, I found the iPhone 4Ss 8-megapixel camera to be a huge improvement over the iPhone 4s, overall.

Data speeds for the iPhone 4S in my tests were disappointing, howeverI averaged 0.38 megabit per second for downloads and 0.21 mbps for uploads. But at last the iPhone has gone dual-core. Dual-core doesnt necessarily mean that youll get double your previous speed, but youll be able to see the difference in video, gaming, and Web browsing.

The iPhone 4Ss call quality was a bit disappointing. My friends voices sounded hollow and unnatural. One of my friends reported that I sounded as if I were in a tunnel, and another noted background noise. I didnt experience dropped calls, though.

Siri, the phones voice-directed virtual personal assistant, was able to perform the tasks I gave it, though I had to enunciate clearly (its still in beta). Jump here for a FAQ on Siri.

Spec summary:

Price: $200 for 16GB, $300 for 32GB, $400 for 64GB with a two-year contractOS: iOS 5Display: 3.5-inch Retina; 960 by 640 resolutionProcessor: Apple A5Camera: 8 megapixels

Sprint HTC Evo 3D: 3D Goes Mobile

Sprint's Evo 3D from HTC is a gorgeous phone. Like its Evo 4G sibling, its black with blood-red detailing. It feels solid but not bulky, with a nice, textured rubber backing and a slim shape that feels great to hold.

Naturally, two of its most important features are its 3D display and 3D image capture. The phone uses parallax barriers to show 3D images and video, with no need for clunky 3D glasses. The 4.3-inch qHD (Quarter High Definition) 960-by-540-pixel screen looks terrific in 2Dand pretty good in 3D. (The 3D images arent flying in your face; you seem to peer into the phone as if into a diorama.)

You must maintain an absolute dead-on viewing angle to properly appreciate the third dimension. If youre viewing at a slight angle, the image will be a blurry mess. And dont even think about trying to watch 3D movies outdoors: They completely fade in bright sunlight. (A toggle switch lets you turn the 3D mode off.)

In our head-to-head lab tests of 3D image quality, the Evo beat out the LG Thrill 4G/Optimus 3D, the only other 3D phone so far available in the United States. Our testers praised the Evo 3D for its good layering and foreground pop as well as for its colors and clarity. You can read our full test results here.

We werent terribly impressed with the 3D camera and camcorder in our testing. Although the images were easy to focus on, they seemed grainy. But our Evo 3D photo had good background depth compared with the other test images. And theres something quite satisfying about capturing 3D images or videos and being able to watch them on the same device. You can also view your 3D content on any 3D TV via the phones HDMI-out jack. This jack uses a technology called MHL (Mobile High-Definition Link) that charges your phone while its plugged into that port.

The Evo 3D comes with the latest version (3.0) of the Sense user interface, which has a brand-new customizable lock screen. You can pick a theme for it and then select four apps that you use most frequently. Turn on your phone, and youll see those four apps. To unlock your phone, you drag the circle and move it over an app; you then jump to that app.

The phones call quality was uneven at times.

Im not completely sold on 3D, but the Evo 3D is a powerful phone. The combination of dual-core Snapdragon processors with 4G cant be beat.

Spec summary:

Price: $200 with a two-year contractOS: Android 2.3 with HTC Sense 3.0Display: 4.3-inch Super LCD qHD; 960 by 540resolution; 3DProcessor: 1.2GHz dual-core Qualcomm Snapdragon Camera: Two 5-megapixel color CMOS sensors with auto focus for 3D; 5-megapixel color CMOS with auto focus for 2D

Sprint Samsung Epic Touch 4G:Incredible Display, Excellent Performance

Looking for an all-around powerful Android phone thats good for both work and play? Sprints Samsung Epic Touch 4G fits the bill. Measuring 5.1 by 2.7 by 0.4 inches, the Touch is remarkably thin and is comfortable to hold. It doesnt feel as solidly built as some competing models, however, and it seems somewhat plasticky.

The 4.52-inch display on the Epic Touch is gorgeousone of the best weve ever seen. It uses Samsungs Super AMOLED Plus display technology, which we first saw in January at the Consumer Electronics Show in Las Vegas. The displays colors looked bright, details were crisp, and you can see the contents of the screen well even from a fairly sharp angle. Blacks were deep, and colors were richly saturated. Even in direct sunlight, the display remained quite visible. I did see that whites had a slightly bluish tint, but this wasnt too noticeable.

One other quibble: Text isnt quite as sharp as on the AT&T Galaxy S II. The Epic Touchs display is slightly larger than the one on the AT&T creen may have compromised text sharpness. Text remains quite readable, but I noticed the difference.

Like most of this years killer phones, the Epic Touch 4G is powered by a 1.20GHz dual-core Samsung Exynos processor. I experienced reliably good Sprint WiMax 4G coverage in San Francisco. Pairing Sprints 4G network with the Samsung Exynos dual-core processor makes for some excellent Web browsing, too. Of course, 4G coverage and signal strength will vary depending on your location and whether Sprint offers 4G in your city.

Call quality over Sprint was generally very good.

The Epic Touchs camera takes excellent photos indoors and out, although colors on indoor shots looked a bit oversaturated. Details were quite sharp. And the cameras shutter speed was fast enough to capture action shots of sports, kids, and other quick-moving subjects.

TouchWiz 4.0Samsungs custom interface for Androidisnt for everyone, so be sure you test-drive the Epic Touch in a Sprint store before you buy. TouchWiz lets you pinch your home screen to see thumbnail-size versions of all of your screens.

The Contacts feature gets some new gesture-based functions. Swipe right on your friends name, and youll start a call with them; swipe left on the name, and youll jump to the SMS composer to send them a text message. Each contacts card comes with your communication history, too.

Samsung throws in a few other gesture-based, but gimmicky controls. For example, you can zoom in and out of images in your gallery or in the browser by tilting the phone. But this can be awkward.

If you want a phone that can do it alland do it quicklythe Epic Touch 4G is hard to beat.

Spec summary:

Price: $200 with a two-year contractOS: Android 2.3 with Samsung TouchWiz 3.0Display: 4.52-inch Super AMOLED Plus display; 800 by 480 resolutionProcessor: 1.2GHz dual-core Samsung Exynos Camera: 8 megapixels

Next page: The Best Camera Phone

T-Mobile MyTouch 4G Slide:Best Camera Phone Ever

Ready to ditch your stand-alone camera and make some space in your bag? The HTC-built T-Mobile MyTouch 4G Slide has the best camera of any phone weve seen. But sometimes phones with a single headlining feature, such as an extremely powerful camera, are lacking in other areas. Fortunately, this isnt the case with the MyTouch 4G Slide: Overall, it is a very strong smartphone.

Still, lets first talk about the camera. The 4G Slides 8-megapixel camera blew the competition out of the water in our head-to-head lab testsit received the highest overall scores for exposure, color, sharpness, and lack of distortion. It wasnt exactly a close finish between the Slide and the second- and third-place phones, either: In our tests, the Slide scored significantly higher in all categories, including lack of distortion, where it received its lowest score. You can read the full test results here.

In addition to delivering good overall image quality, the MyTouch 4G Slide offers a wide array of shooting modes. My favorite mode, SweepShot, lets you take panoramic photossomething you generally need a separate app to do on other phones. You press the shutter and move the camera from right to left, and the camera stitches together a panoramic image instantly. This mode is incredibly fun to play with and the resulting photos look reasonably good, though sometimes they dont stitch together quite accurately.

Another useful option that the MyTouch 4G Slide provides is the ClearShot HDR (high dynamic range) mode, which closely resembles the iPhones HDR feature. It snaps a group of photos in rapid succession at different exposure levels, and then stacks them in the camera to bring out highlights in shadowy areas and create an HDR shot. The mode permits a greater dynamic range between the lightest and darkest areas of an image so that the person viewing the shot sees more detail in shadows and better clarity in bright colors. The BurstShot mode is another unusual feature for a phone camera. It takes pictures in rapid succession paparazzi-style as you hold the shutter button down. BurstShot is useful for snapping photos of quick-moving objects, like kids and pets.

The MyTouch can shoot true HD video in up to 1080p resolution. Video quality was very good, but it didnt score as well in our tests as still images.

Aside from its superb camera, the MyTouch 4G Slide earns plaudits for its easy-to-navigate user interface, its crisp Super LCD display, and its smooth performance overall. And for people who just cant seem to get comfortable with typing on a touchscreen, the Slide also has a slide-out full QWERTY keyboarda feature thats becoming a rarity in todays high-end smartphoneswith keys that are nicely spaced but too flat for my liking.

Call quality over T-Mobiles network in San Francisco was reliably good, and I did not experience any dropped calls. Friends on the other end of the line reported that though my voice sounded a bit distant, it came through clearly, with no distortion.

Spec summary:

Price: $200 with a two-year contractOS: Android 2.3 with MyTouch overlayDisplay: 3.7-inch WVGA Super LCD touchscreen; 800 by 480 resolutionProcessor: 1.2GHz dual-core Qualcomm Snapdragon Camera: 8 megapixels

Verizon Motorola Droid Bionic:Dual-Core, 4G, and More

As a business phone, Motorolas Droid Bionic (from Verizon) is a solid choice. It has a steep price of $300, but the pairing of a dual-core TI OMAP processor with Verizons superspeedy LTE network makes it very fast. Its accessories (at additional cost) let it work as a kind of secondary computer.

When you pick up the Bionic, youll immediately notice how solid and sturdy it feels. It has a glass display with a thin metallic bezel surrounding it, giving it a refined, sophisticated look. But the 4.3-inch qHD (Quarter High Definition) display isnt as sharp as we expect a 960-by-540-pixel screen to be.

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