Sony Xperia U

Previously known as Sony Ericsson ST25i Kumquat

Network
Technology
GSM / HSPA

2G bands
GSM 850 / 900 / 1800 / 1900

3G bands
HSDPA 900 / 2100 – ST25i

 
HSDPA 850 / 1900 / 2100 – ST25a

Speed
HSPA 14.4/5.76 Mbps

Launch
Announced
2012, February. Released 2012, May

Status
Discontinued

Body
Dimensions
112 x 54 x 12 mm (4.41 x 2.13 x 0.47 in)

Weight
110 g (3.88 oz)

SIM
Mini-SIM

Display
Type
TFT

Size
3.5 inches, 33.8 cm2 (~55.8% screen-to-body ratio)

Resolution
480 x 854 pixels, 16:9 ratio (~280 ppi density)

Protection
Scratch-resistant glass

Platform
OS
Android 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)

Chipset
NovaThor U8500

CPU
Dual-core 1.0 GHz Cortex-A9

GPU
Mali-400

Memory
Card slot
No

Internal
8GB (4GB user available), 512MB RAM

Main Camera
Single
5 MP, AF

Features
LED flash, panorama

Video
720p@30fps

Selfie camera
Single
VGA

Video

Sound
Loudspeaker
Yes

3.5mm jack
Yes

Comms
WLAN
Wi-Fi 802.11 b/g/n, hotspot, DLNA

Bluetooth
2.1, A2DP, EDR

Positioning
GPS, A-GPS

Radio
Stereo FM radio, RDS

USB
microUSB 2.0, OTG

Features
Sensors
Accelerometer, proximity, compass

Battery
Type
Removable Li-Ion 1320 mAh battery

Stand-by
Up to 260 h (2G) / Up to 472 h (3G)

Talk time
Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G)

Music play
Up to 45 h

Misc
Colors
Black, White/ exchangeable bottom caps in white, black, pink, yellow

SAR
1.09 W/kg (head)     0.93 W/kg (body)    

SAR EU
1.62 W/kg (head)    

Price
About 140 EUR

Tests
Display

Contrast ratio: 930:1 (nominal) / 1.758:1 (sunlight)

Camera

Photo / Video

Loudspeaker

Voice 65dB / Noise 65dB / Ring 72dB

Audio quality

Noise -87.3dB / Crosstalk -87.7dB