| Hardware and OS Nokia Lumia 900 AT&T |
| Operating system: | Microsoft Windows Phone 7.5 Mango |
| Processor: | 1.4 GHz Scorpion |
| Chipset: | Qualcomm APQ8055 Snapdragon S2 |
| Internal memory: | 16GB 512MB RAM |
| External memory: | No |
| GPU: | Adreno 205 |
| Display Nokia Lumia 900 AT&T |
| Size: | 4.3 inches, 52.6 cm2 |
| Resolution: | 480 x 800 pixels, 5:3 ratio |
| Type: | AMOLED capacitive touchscreen, 16M colors |
| Protection: | Corning Gorilla Glass |
| Main Camera Nokia Lumia 900 AT&T |
| Camera: | 8 MP, AF |
| Features: | Carl Zeiss optics, dual-LED flash |
| Video: | 720p@30fps |
| Selfie camera Nokia Lumia 900 AT&T |
| Camera: | 1.3 MP |
| Video: | VGA@30fps |
| Connectivity Nokia Lumia 900 AT&T |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 |
| 3G Network: | HSDPA 850 / 1900 / 2100 |
| 4G Network: | LTE band 4(1700/2100), 17(700) |
| Bluetooth: | 2.1, A2DP, EDR |
| GPS: | Yes, with A-GPS |
| Speed: | HSPA 21.1/5.76 Mbps, LTE Cat3 100/50 Mbps |
| Technology: | GSM / HSPA / LTE |
| USB: | microUSB 2.0 |
| WLAN: | Wi-Fi 802.11 b/g/n |
| Multimedia Nokia Lumia 900 AT&T |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | Stereo FM radio, RDS |
| Battery Nokia Lumia 900 AT&T |
| Capacity: | Non-removable Li-Ion 1830 mAh battery (BP-6EW) |
| Stand-by: | Up to 300 h |
| Talk time: | Up to 7 h |
| Design Nokia Lumia 900 AT&T |
| Colors: | Matte black, cyan, pink |
| Dimensions: | 127.8 x 68.5 x 11.5 mm, 90 cc (5.03 x 2.70 x 0.45 in) |
| Weight: | 160 g (5.64 oz) |
| SIM: | Micro-SIM |
| Features Nokia Lumia 900 AT&T |
| Sensors: | Accelerometer, gyro, proximity, compass |
