Microsoft Lumia 640 Dual SIM |
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| Build | OS | Microsoft Windows Phone 8.1 with Lumia Denim | ||
| Dimensions | 141.3 x 72.2 x 8.8 mm | |||
| Weight | 145 g | |||
| SIM | Dual-SIM, Dual Standby, Micro-SIM | |||
| Colors | Glossy cyan, Orange, White, Matte black | |||
| Frequency | 2G Band | SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900 |
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| 3G Band | HSDPA 850 / 900 / 1900 / 2100 | |||
| 5G Band | ||||
| Processor | CPU | 1.2 GHz Quad-Core Cortex-A7 | ||
| Chipset | Qualcomm Snapdragon 400 | |||
| GPU | Adreno 305 | |||
| Display | Technology | IPS LCD capacitive touchscreen, 16M colors, Multitouch | ||
| Size | 5.0 inches (~67.6% screen to body ratio) | |||
| Resolution | 720 x 1280 pixels (~294 ppi pixel density) | |||
| Protection | Corning Gorilla Glass 3 | |||
| Extra Features | ClearBlack display | |||
| Memory | Built-in | 8GB built-in, 1GB RAM | ||
| Card | microSD card (supports up to 128GB) | |||
| SMS | ||||
| Camera | Main | 8 MP, 3264 x 2448 pixels, autofocus, LED flash | ||
| Features | 1/4'' sensor size, Video (1080p@30fps) | |||
| Front | 1 MP, 720p | |||
| Connectivity | WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | ||
| Bluetooth | v4.0 with A2DP | |||
| GPS | Yes + A-GPS support | |||
| Radio | Stereo FM radio with RDS | |||
| USB | microUSB v2.0 | |||
| Infrared | ||||
| Data | GPRS, EDGE, 3G (HSPA 42.2/5.76 Mbps) | |||
| Features | Sensors | Accelerometer, Compass, Proximity | ||
| Audio | 3.5mm audio jack, Speakerphone | |||
| Browser | HTML5 | |||
| Messaging | SMS (threaded view), MMS, Email, Push Email, IM | |||
| Games | built-in | |||
| Torch | Yes | |||
| Extra | Active noise cancellation with dedicated mic, Document viewer/editor, Speakerphone | |||
| Battery | Capacity | 2500 mAh | ||
| Standby | up to 840 hrs | |||
| Talktime | up to 27 hrs | |||
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| Price | in Rupees | Rs. Discontinued | ||
| in USD | $0 |