| Price | 172 USD |
| Brand | nokia |
| Model | Nokia Lumia 638 |
| Status | Available. Released 2014, December |
| Release Date | 2014-12 |
| RAM | 1 GB RAM |
| STORAGE | 8 GB |
| Memory Slot | microSD, up to 256 GB |
| Rear Camera | 5 MP |
| Feature | Panorama |
| Video Recording | Yes |
| Front Camera | MP |
| Front Video Recording |
| Network | 2G/3G/4G |
| USB | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS |
| Bluetooth | 4.0, A2DP, LE/ aptX after WP8 Denim update |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| SIM | Micro-SIM |
| EDGE | Yes |
| GPRS | Yes |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Type | Removable Battery |
| Size | 1830 mAh, Li-Ion Battery |
| Charging |
| Sensors | Accelerometer |
| Type | IPS LCD capacitive touchscreen, 16M colors |
| Size | 4.5 inches, 480 x 854 Pixel |
| Aspect Ratio | 16:9 |
| PPI | ~218 ppi density |
| Screen to Body Ratio | ~64.6% |
| Protection | Corning Gorilla Glass 3 |
| Build |
| OS | Microsoft Windows Phone 8.1 |
| Chipsets | Qualcomm Snapdragon 400 (28 nm) |
| GPU | Adreno 305 |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| Colors | Black |
| Weight | 136 g (4.80 oz) |
| Dimensions | 129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in) |
| NFC | |
| 3.5mm Jack | |
| Charging | |
| Water Proof |
| Radio | FM radio |
| Loudspeaker |