Nokia Lumia 638
| Model | Lumia 638 |
|---|---|
| Chipset | Qualcomm Snapdragon 400 (28 nm) |
| USB | microUSB 2.0 |
| Sensors | Accelerometer |
| Color | Black |
| Network 3G bands | HSDPA 850 / 900 / 1900 / 2100 – RM-1010 |
| Network speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Operating System | Microsoft Windows Phone 8.1 |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| GPS | Yes with A-GPS GLONASS |
| GPU | Adreno 305 |
| Internal memory | 8 GB, 1 GB RAM |
| Main camera (single) | 5 MP, 1/4", AF |
| Main camera video | Yes |
| Main camera features | Panorama |
| Network 4G bands | LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Sound | Active noise cancellation with dedicated mic |
| Radio | FM radio |
| Bluetooth | 4.0, A2DP, LE/ aptX after WP8 Denim update |
| Network Technology | GSM / HSPA / LTE |
| Weight grams | 136 g (4.80 oz) |
| Network 2G bands | GSM 850 / 900 / 1800 / 1900 |
| GPRS | Yes |
| EDGE | Yes |
| announced | 2014, December |
| Launch Status | Available. Released 2014, December |
| Dimensions | 129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in) |
| SIM | Micro-SIM |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Display type | IPS LCD capacitive touchscreen 16M colors |
| Display size | 4.5 inches, 55.8 cm (~64.6% screen-to-body ratio) |
| Display resolution | 480 x 854 pixels, 16:9 ratio (~218 ppi density) |
| Display | ClearBlack display |
| Memory Card | microSD, up to 256 GB (dedicated slot) |
| Sound loud speaker | Yes |
| Sound 3.5mm jack | Yes |
| Battery | Removable Li-Ion 1830 mAh battery (BL-5H) |
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