The 1000Mhz processor with 2-core provides good performance and good operating system fluidity of the Sony Xperia U ST25.
With one SIM card slot, the Sony Xperia U ST25 allows download up to 14.4 Mbps for internet browsing, but it also depends on the carrier.
Good connectivity of this cell phone includes Bluetooth Version 2.1 with A2DP, WiFi 802.11 b/g/n, but it lacks NFC conection.
Device with 110 grams, including the battery, the Sony Xperia U ST25 mobile phone is relatively thin with 12 mm thickness.
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| Model and Physical Features |
| Brand: |
Sony |
| Model: |
Xperia U ST25 |
| Also known as: |
Sony Kumquat, Sony Xperia ST25i, ST25a |
| Release Date: |
August, 2012 |
| Design / Type: |
Bar |
| Depth: |
12 millimeters |
| Size (width x height): |
54 x 112 millimeters |
| Weight: |
110 grams |
| Qwerty keyboard: |
Not supported |
| Antenna: |
Internal antenna |
| Scratch-resistant glass: |
Scratch-resistant glass |
| Water protection: |
Not supported |
| Operating System (OS) |
| OS: |
 Android 2.3.7 Gingerbread |
| OS Upgradeable: |
Android 4.0.4 Ice Cream Sandwich ICS |
| Microprocessor, Chipset, Memory and Storage capacity |
| CPU / Processor: |
ST-Ericsson NovaThor U8500 / ARM Cortex-A9 |
| Clock: |
1000 Mhz |
| Core: |
2 Dual-Core |
| RAM Memory: |
512MB LPDDR2 |
| Internal Storage: |
8GB (4GB user available) |
| External Storage: |
Not supported |
| Cellular Phone and Data |
| Dual SIM: |
Not supported |
| SIM Card Type: |
SIMCard standard (15x25 mm) |
| SIM Card Slots: |
1 slot |
| GSM Mhz: |
Quad-Band 850/900/1800/1900 |
| Cellular Networks: |
GSM 850/900/1800/1900, UMTS ST25i: 900/2100 - ST25a: 850/1900/2100 |
| Data Networks: |
GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Cellular Networks SIM2: |
Information not registered |
| Data Networks SIM2: |
Information not registered |
| G Network: |
3G HSUPA |
| Maximum Speed Download: |
14.4 Mbps |
| Maximum Speed Upload: |
5.76 Mbps |
| Messaging and Calling |
| SMS: |
SMS Auto Filling T9 |
| MMS: |
Supported |
| E-mail: |
Supported |
| Push Mail: |
Supported |
| Speakerphone: |
Supported |
| Video Calling: |
Supported |
| Display and Graphical System |
| Screen Inches: |
3.5" |
| Display Type: |
TFT LCD LED-Backlit |
| Touchscreen: |
Capacitive Multitouch |
| Display Resolution: |
480 x 854 pixels |
| Pixel density (dot pitch): |
280 PPI |
| Colors: |
16 million |
| GPU / Graphical Controller: |
ARM Mali-400 |
| Digital Camera / Camcorder |
| Primary Camera: |
5.0 MegaPixels (5.04) |
| Primary Camera Resolution: |
2592 x 1944 pixels |
| Flash: |
LED Flash |
| Zoom: |
Only digital zoom |
| Autofocus: |
Supported |
| Face Detection: |
Supported |
| Secondary Camera: |
0.3 MegaPixels (0.31) |
| Secondary Camera Resolution: |
640 x 480 pixels |
| Multimedia |
| Video Recording: |
HD (1280 x 720 pixels) 30 fps |
| Video Rec Secondary Camera: |
VGA (640 x 480 pixels) |
| Radio: |
FM with RDS |
| TV: |
Not supported |
| Video formats: |
MP4, H.263, H.264, WMV |
| Audios formats: |
MP3, eAAC+, WMA, WAV |
| Connectivity and Interfaces |
| USB: |
USB 2.0 Micro-B (Micro-USB) |
| TV output: |
Not supported |
| Audio output: |
3.5mm plug |
| Bluetooth: |
Version 2.1 with A2DP |
| Wi-Fi: |
802.11 b/g/n |
| NFC: |
Not supported |
| GPS: |
A-GPS and GeoTagging |
| Other Functions |
| Voice Control: |
Voice dialing, Voice recorder, Voice commands |
| Ringtones: |
Polyphonic and customized |
| Vibrating Alert: |
Supported |
| Web Browser: |
HTML, XHTML, HTML5 |
| Flash Player: |
Supported |
| Java: |
Supported |
| Sensors: |
Accelerometer, Proximity, Compass and Ambient Light |
| Other features: |
- Colors: Black, White
- Exchangeable bottom caps in White, Black, Pink, Yellow
- Sony Reality Display
- Sony Mobile BRAVIA Engine
- 4-point multi-touch
- Touch focus
- xLoud
- 3D surround sound audio |
| Power Supply, Battery and Autonomy |
| Battery Technology: |
Lithium-ion - Removable |
| Battery Capacity: |
1320 mAh |
| Battery Model: |
BA600 |
| Talk Time: |
336 minutes | 5.6 hours | 0.2 days |
| Standby: |
28320 minutes | 472 hours | 19.7 days |
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