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Microsoft Lumia 640 Dual SIM
Display Size: 5.0"
Display Resolution: 720x1280 pixels
Chipset: Snapdragon 400
RAM: 1GB RAM
Storage: 8GB storage, microSDXC
OS: Microsoft Windows Phone 8.1
Camera: 8MP
Video: 1080p
Battery: 2500mAh
Dimensions: 145g, 8.8mm thickness
Name: Microsoft Lumia 640 Dual SIM
Launch: Released 2015, April
Display Resolution: 720x1280 pixels
Chipset: Snapdragon 400
RAM: 1GB RAM
Storage: 8GB storage, microSDXC
OS: Microsoft Windows Phone 8.1
Camera: 8MP
Video: 1080p
Battery: 2500mAh
Dimensions: 145g, 8.8mm thickness
Name: Microsoft Lumia 640 Dual SIM
Launch: Released 2015, April
| BODY | |
|---|---|
| Dimensions | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Weight | 145 g (5.11 oz) |
| DESING | |
|---|---|
| Colors | Glossy cyan, Orange, White, Matte black |
| SIM Card | |
|---|---|
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
| OPERATING SYSTEM | |
|---|---|
| OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 |
| PLATFORM | |
|---|---|
| Chipset | Qualcomm MSM8926 Snapdragon 400 (28 nm) |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Adreno 305 |
| MEMORY | |
|---|---|
| Card slot | microSDXC (dedicated slot) |
| Internal | 8GB 1GB RAM |
| DISPLAY | |
|---|---|
| Type | IPS LCD |
| Size | 5.0 inches, 68.9 cm2 (67.6% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (294 ppi density) |
| Protection | Corning Gorilla Glass 3 |
| MAIN CAMERA | |
|---|---|
| Number camera | Single |
| Camera | 8 MP, f/2.2, 28mm (wide), 1/4.0", AF |
| Video | 1080p@30fps |
| Features | LED flash |
| FRONT CAMERA | |
|---|---|
| Number camera | Single |
| Camera | 1 MP |
| Video resolution | 720p |
| SOUND | |
|---|---|
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| COMMUNICATION | |
|---|---|
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth | 4.0, A2DP |
| Positioning | GPS, GLONASS, BDS |
| NFC | No |
| Radio | FM radio |
| USB | microUSB 2.0 |
| BATTERY | |
|---|---|
| Type | Li-Ion 2500 mAh, removable |
| Stand by | Up to 840 h (2G) / Up to 840 h (3G) |
| Talk time | Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G) |
| SENSORS | |
|---|---|
| Type | Accelerometer, proximity, compass |
| FEATURES |
|---|
| NETWORK | |
|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 |
| Speed | HSPA 42.2/5.76 Mbps |
| MOBILE NETWORK | |
|---|---|
| Technology | GSM / HSPA |
| DEVICE |
|---|
| LAUNCH | |
|---|---|
| Announced | 2015, March. Released 2015, April |
| Status | Discontinued |
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