Spesifikasi Sony Xperia U ST25i
| GENERAL | Network | 2G Network : GSM 850 / 900 / 1800 / 1900, 3G HSDPA 900 / 2100 |
| LAYAR | Tipe | LED-backlit LCD, capacitive touchscreen, 16M colors |
| Ukuran | 480 x 854 pixels, 3.5 inches (~280 ppi pixel density) Multitouch, up to 4 fingers, Scratch-resistant glass, Sony Mobile BRAVIA Engine, Timescape UI | |
| DIMENSI | Ukuran/Berat | 112 x 54 x 12 mm / 110 g |
| AUDIO | Fitur | Vibration MP3 ringtones |
| Jack | 3.5mm jack audio | |
| Speakerphone | Ya, Sony 3D surround sound audio technology | |
| MEMORY | Internal | 4 GB, RAM 512MB |
| Eksternal | Tidak | |
| DATA | 3G | HSDPA 14.4 Mbps, HSUPA 5.76 Mbps |
| EDGE | Up to 296 kbps | |
| GPRS | Up to 107 kbps | |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA | |
| Bluetooth | v2.1 with A2DP, EDR | |
| Infrared | Tidak | |
| USB/Port | microUSB v2.0, USB On-the-go support | |
| KAMERA | Primer | 5 MP, 2592 x 1944 pixels, autofocus, LED flash |
| Sekunder | VGA | |
| Video Record | 720p@30fps, video light | |
| BATERAI | Tipe | Li-Ion 1320 mAh |
| Standby | 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) | |
| FITUR | OS | Android OS, v2.3 (Gingerbread), planned upgrade to |
| CPU | STE U8500, Dual-core 1 GHz, GPU DB8500 | |
| Browser | HTML5 | |
| GPS | Ya, A-GPS | |
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM | |
| Java | via Java MIDP emulator, Fitur tambahan: Adobe Flash, Stereo FM radio with RDS, SNS integration, Active noise cancellation with dedicated mic, Google Search, Maps, Gmail,YouTube, Calendar, Google Talk | |
| FITUR LAIN | Multiple SIM | Tidak |
| Video Player | MP4/H.263/H.264/WMV player | |
| MP3 Player | MP3/eAAC+/WMA/WAV player | |
| Audio Record | Ya | |
| TV | Tidak |
