| Local Name | Quantum |
| Additional Information | For AT&T |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2010, October |
| Status | Available. Released 2010, November |
| Dimensions | 119.5 x 59.5 x 15.2 mm (4.70 x 2.34 x 0.60 in) |
| Weight | 176 g (6.21 oz) |
| Keyboard | QWERTY |
| SIM | Mini-SIM |
| Display Type | TFT capacitive touchscreen, 16M colors |
| Screen Size | 3.5 inches (~49.0% screen-to-body ratio) |
| Resolution | 480 x 800 pixels (~267 ppi pixel density) |
| Mulitouch | Yes |
| OS | Microsoft Windows Phone 7 |
| Chipset | Qualcomm QSD8650 Snapdragon |
| CPU | 1 GHz Scorpion |
| GPU | Adreno 200 |
| Card Slot | No |
| Internal Memory | 16 GB, 512 MB RAM, 512 MB ROM |
| Primary Camera | 5 MP, 2592 x 1944 pixels, autofocus, LED flash |
| Camera Features | Geo-tagging |
| Video | 720p |
| Secondary Camera | No |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA |
| Bluetooth | v2.1, A2DP |
| GPS | Yes, with A-GPS |
| Radio | Stereo FM radio |
| USB | microUSB v2.0 |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS (threaded view), MMS, Email, Push Email, IM |
| Browser | HTML |
| Java | No |
| Features Summary | MP4/H.264/WMV player, MP3/WAV/WMA/eAAC+ player, Organizer, Document viewer/editor, Voice memo/dial/command, Predictive text input |
| Battery | Li-Ion 1500 mAh battery |
| Stand By | Up to 350 h |
| Talk Time | Up to 6 h |
| Colors | Black |
| SAR US | 0.35 W/kg (head) 0.30 W/kg (body) |
