Sony Xperia U (ST25a) All specs

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Full specifications phone: Sony Xperia U (ST25a) specs, detailed technical information, features, price and review. All about this phone.

7/24/2012 2:05 PM, updated: 11/10/2021 4:36 PM

Sony Xperia U (ST25a)

Android phone with 1GHz Dual-core median processor provides good performance when performing some functions of the Sony Xperia U (ST25a)

With one SIM card slot, the Sony Xperia U (ST25a) allows download up to 14.4 Mbps for internet browsing, but it also depends on the carrier.

Good connectivity of this device includes Bluetooth 2.1 + A2DP, WiFi 802.11 b/g/n [wifi4] (2.4GHz), but it lacks NFC connection.

Device with 110 grams including the battery. The Sony Xperia U (ST25a) phone is relatively thin with 12mm thickness.

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Summary

⚙️ CPU: ST-Ericsson NovaThor U8500

🤖 Android 2.3.7
🔄 Android 4.0.4

📱 3.5"
TFT LED-Backlit LCD
60Hz

🔳 RAM: 512MB
💽 ROM: 8GB

🔌 WIFI4, BT2.1, FM

📷 (back) 5MP
🤳 (front) 0.3MP

🔋 1320mAh

📱 Model features
	Sony Xperia U (ST25a)
Change model
Model	Xperia U (ST25a)
Other model names	Sony Xperia U ST25, Sony Kumquat
Country or region available	(Latin America), Brazil, Canada, USA
Brand	Sony
Release date	5/7/2012
Depth	12 millimeters (0.47 inches)
Size (width x height)	54 x 112 millimeters (2.13 x 4.41 in)
Weight	110 grams (3.85 ounces)
Build, materials	Plastic body, glass front
Protection against water and others	Not supported
📲 Display
	Sony Xperia U (ST25a)
Display type	TFT LED-Backlit LCD
Screen size	3.5" inches
Screen-to-body ratio	~55.8% (screen-to-body ratio)
Display resolution	480x854 pixels (16:9)
Touchscreen	Capacitive Multitouch 4-points
Pixel density (dot pitch)	280 PPI
Colors	16 million
Scratch-resistant glass	Scratch-resistant glass
Refresh rate	60Hz
Display features	Not supported
🤖 Operating System
	Sony Xperia U (ST25a)
System version	Android 2.3.7 Gingerbread
Firmware update	Android 4.0.4 Ice Cream Sandwich ICS
User Interface	feature not registered
⚙️ Processor
	Sony Xperia U (ST25a)
Chipset	32bit: ST-Ericsson NovaThor U8500 (45nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)
GPU graphical controller	ARM Mali-400 MP1
Performance (benchmark)	feature not registered
💽 Memory and storage
	Sony Xperia U (ST25a)
RAM memory	512MB LPDDR2
Internal storage	8GB (4GB available)
External storage	Not supported
📶 Mobile networks
	Sony Xperia U (ST25a)
Dual-SIM	Not supported
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	14.4/5.76 Mbps
Network technology	2G, 3G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/1900/2100
Primary 4G network	Not supported
Primary 5G network	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	Not supported
Secondary 3G network	Not supported
Secondary 4G network	Not supported
Secondary data network	Not supported
📷 Camera
	Sony Xperia U (ST25a)
Back camera (main camera)	5 megapixels
Main camera resolution	2592x1944 pixels
Video recording (primary)	HD (1280x720) 30 fps
Flash	LED flash
Focal aperture	feature not registered
Focal length	feature not registered
Sensor size	feature not registered
Pixel size	feature not registered
Autofocus	Autofocus
Touch focus	Supported
Image stabilization	EIS: Digital stabilization
Zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection
BSI sensor	Not supported
HDR	Not supported
Camera extras	feature not registered
📸 Front camera
	Sony Xperia U (ST25a)
Front camera (secondary)	0.3 megapixels
Front camera resolution	640x480 pixels
Video recording (secondary)	VGA (640x480)
Front flash	Not supported
Focal aperture	feature not registered
Focal length	feature not registered
Sensor size	feature not registered
Pixel size	feature not registered
🔉 Sound and multimedia
	Sony Xperia U (ST25a)
Loudspeaker	Supported
Active noise cancellation	2 microphones or more
Radio	FM (RDS)
TV	Not supported
Video formats	MP4, H.263, H.264, WMV
Audio formats	MP3, eAAC+, WMA, WAV
🔌 Connectivity
	Sony Xperia U (ST25a)
USB	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack
TV output	Not supported
Bluetooth	2.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Supported
GPS	A-GPS, GeoTagging
NFC	Not supported
Infrared port	Not supported
🧭 Sensors
	Sony Xperia U (ST25a)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported
🔋 Battery
	Sony Xperia U (ST25a)
Battery type	Li-Ion: lithium-ion (Removable) BA600
Battery capacity	1320 mAh
Charger, watts	Wired charging
Inductive / wireless charging	Not supported
Talk time autonomy	5.6 hours
Standby	472 hours (19.7 days)
➕ Other features
	Sony Xperia U (ST25a)
Call control	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported
Video calling	Supported
Ringtones	Polyphonic and customized
Web browser	HTML, XHTML, Flash player
Antenna	Internal antenna
Qwerty physical keyboard	Not supported
Miscellaneous	• Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework
☢️ Radiation rate
	Sony Xperia U (ST25a)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	1.62W/kg (head)