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Sony Xperia U review

Sony's small Android smartphone offers a dual-core processor and plenty of charm

Our Verdict

Product features

  • Built-in Memory : 8 GB
  • Rear Camera Resolution : 5 Megapixel
  • Battery Talk Time : 6.60 Hour
  • Screen Resolution : 480 x 854

View full specification

For

  • Solid construction
  • Clear display
  • Fast, smooth Android
  • Clever Facebook integration
  • Nice music player

Against

  • Awful 720p video
  • No SD card slot
  • Only 4GB storage
  • Browser looks dated
  • Stiff camera button

The Sony Xperia U is a solid, well made little phone, that manages to squeeze a high-res and very sharp display into a modestly sized chassis.

The dual-core processor handles everything from apps to web use without fuss, making it an impressive performer - and one of the best around at its £189/$340 SIM-free price point.

We liked

The 3.5-inch screen and Sony's combination of its Reality Display and Bravia Engine tech makes for a really readable, usable screen that's bright, sharp and easy to see and use, even outdoors.

The dual-core processor keeps Android running without a hitch. Home screens fly about even when loaded with widgets, the Play Store app's smooth and apps themselves download and install quickly.

The smaller (in today's size-obsessed world) 3.5-inch display is very easy on the battery. Combine this with the ST-Ericsson dual-core processor and you get a capable phone that easily gets through a day of serious use. A big plus point, that.

We disliked

4GB of internal storage space and no SD card places quite a limitation on the Sony Xperia U. Recording 720p video hoovers up the memory, then you've got your photos and music to fit on there, plus all sorts of app downloads to store. You'll be shuffling things around to save space within a week of buying it.

The camera's another odd compromise. Only being able to take 3 megapixel shots in 16:9 ratio dumps the Sony Xperia U down among the budget Android phone crowd, which is a particularly odd decision given the excellent 8 megapixel sensor Sony put in last year's lovely, similarly sized Xperia Ray.

As much as we like Sony's implementation of Android 2.3 and its many tweaks and additions, some areas, such as the web browser, really need jazzing up.

The Sony Xperia U's scheduled to receive an update to Ice Cream Sandwich some time this summer, which would help paper over some of the weaker points here.

Final verdict

If you're not caught up in today's obsession with enormous display sizes, the Sony Xperia U is a great choice of smartphone.

It has all the speed, power and features of the larger Android phones that cost two or three times as much - your only compromise here is seeing it all through a smaller display.

The only noticeable weaknesses here are the phone's video performance, which is terrible despite the 720p claim, and the lack of onboard storage space.

If you can live with those niggles, this does everything else just as well as the high-end Android flagship handsets. And the battery will last longer, too.

Big thanks to Three UK for sending us our review unit.

Tech Specs

Product TypeSmartphone
Network BandQuad Band
Input MethodTouchscreen
TouchscreenYes
BluetoothYes
Wireless LANYes
USBYes
Contract TypeSIM-free
Built-in Memory8 GB
Built-in FlashYes
Memory Card SlotNo
Cellular Data Connectivity TechnologyGPRS, EDGE, UMTS, HSDPA, HSUPA
GPS ReceiverYes
Multi-SIM SupportedNo
Near Field CommunicationNo
Integrated TV TunerNo
Product FamilyXperia U
Cellular Generation3G
Cellular Network SupportedGSM 850, GSM 900, GSM 1800, GSM 1900, WCDMA 900, WCDMA 2100
Multi-touch ScreenYes
Rear Camera Resolution5 Megapixel
Number of SIM Card Supported1
Front CameraYes
Phone StyleBar
ColourBlack, White
Operating SystemAndroid
Brand NameSony Mobile
Battery Talk Time6.60 Hour
Product ModelST25a
Screen Size8.9 cm (3.5")
Screen Resolution480 x 854
Touchscreen TypeCapacitive
Weight (Approximate)110 g
Maximum Video Resolution1280 x 720
Processor ManufacturerST Ericsson
Operating System VersionAndroid 2.3 Gingerbread
Messaging TypeSMS (Short Message Service), MMS (Multi-media Messaging Service), Email, Instant Messaging
RealtoneYes
Radio Tuner TypeFM
Call FeaturesCall Log
Pixel Density280 ppi
Height112 mm
Width54 mm
Depth12 mm
Radio TunerYes
ManufacturerSony Corporation
Product NameXperia U ST25a Smartphone
Processor Speed1 GHz
Product LineXperia U
Screen TypeLCD
Sensor TypeAccelerometer, Digital Compass, Proximity Sensor
Manufacturer Part Number1261-4174
Manufacturer Website Addresshttp://www.sony.co.uk
Marketing Information

Experience fantasy. In great quality on-screen.

Watch every moment from every movie or video in razor sharp clarity.

See every smile from last year's party in a true detail. Sheer video magic on your Android mobile's 3.5" Reality Display powered by the Mobile BRAVIA® Engine. And you can easily find the latest Hollywood blockbusters on the pre-loaded Video Unlimited application from Sony Entertainment Network.

Experience beat. In 3D surround sound.

Blast out the music through the speaker with xLoud loudness enhancement.

Fancy some movie "me time"? Get it with 3D surround sound. Plug in your earphones and sit back and listen as the deep bass and high treble shoot around your head.

Want more sounds? Enjoy a global catalogue of millions and millions of songs easily accessible through the preloaded Music Unlimited application from Sony Entertainment Network.