NOKIA LUMIA 638 Phone
| Network | GSM, WCDMA, TD/SCDMA, LTE, TD-LTE, GPRS, EDGE | |
|---|---|---|
| GSM | 850, 900, 1800, 1900 | |
| WCDMA | 850, 1900, 2100 | |
| TD/SCDMA | 1900, 2000 | |
| LTE | 1800, 2600 | |
| TD-LTE | ||
| GPRS | ||
| EDGE | ||
| EV-DO | ||
| HSPA Speed | Up to 42.2 Mbps Up to 5.76 Mbps | |
| LTE Speed | Up to 150 Mbps Up to 50 Mbps | |
| Display | Primary | IPS LCD 4.5" 854 x 480 pixels 16M colors FWVGA, 218 ppi, Corning Gorilla Glass 3 |
| Secondary | ||
| Camera | Primary | 5 MP 2592 x 1944 pixels Autofocus, Auto and manual exposure, Auto and manual white balance, Automatic photo upload to web services, Full resolution photo and video upload, Full screen viewfinder, Geotagging, Landscape orientation, Touch focus |
| Video | 1280 x 720 pixels 720p@30fps | |
| Secondary | ||
| CPU | Chipset | Qualcomm Snapdragon 400 |
| CPU Speed | 1.2 GHz | |
| GPU | Qualcomm Adreno 305 | |
| Memory | RAM | 1 GB |
| Internal | 8 GB | |
| Memory Card | MicroSD, Up to 128 GB | |
| OS | System | Windows Phone 8.1 |
| General | SIM | Micro-SIM, Single-SIM |
| Dimension | 129.5 x 66.7 x 9.2 mm | |
| Weight | 134 g | |
| Released | 2014, December | |
| Announced | 2014, December | |
| Colors | black, white | |
| Connectivity | USB | Micro-USB 2.0 |
| WI-FI | 802.11 b/g/n, DLNA 1 | |
| Infrared | ||
| NFC | ||
| Hotknot | ||
| HDMI | ||
| GPS | A-GLONASS, A-GPS, BEIDOU | |
| Bluetooth | 4.0 A2DP, AVRCP, GATT, HFP, OPP, PBAP | |
| Features | Sensors | Accelerometer, SensorCore |
| Waterproof | ||
| Dustproof | ||
| Shock resistant | ||
| Sound | Headphone | 3.5mm |
| Battery | Capacity | 1830 mAh Li-Ion |
| Stand by | Up to 480 h |








