| DESIGN AND DIMENSIONS | Microsoft Lumia 640 LTE Dual Sim | - |
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| Product Type | Smartphone | - |
|---|---|---|
| Form Factor | Touch | - |
| Height | 141.3 mm | - |
| Width | 72.2 mm | - |
| Depth | 8.8 mm | - |
| Weight | 145 g | - |
| Body Colour | Black | - |
| Waterproof (Water-resistant) | - | - |
| SAR Value | 0.75 W/kg (body), 0.88 W/kg (head) | - |
| Integrated Components | FM radio | - |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset / AV composite out - mini-phone 3.5mm |
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| SIM Card Type (Size) | Micro SIM | - |
| SIM Card Qty | Dual-SIM | - |
| DISPLAY | Microsoft Lumia 640 LTE Dual Sim | - |
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| Display Type | LCD display | - |
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| Display Technology | IPS | - |
| Screen Size (Display Size) | 5" | - |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | - |
| Display Format | HD | - |
| Pixel Density | 294 ppi | - |
| Colour Depth | 16.7 million colours | - |
| Display Features | ClearBlack | - |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | Microsoft Lumia 640 LTE Dual Sim | - |
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| Processor Type (CPU) | Qualcomm Snapdragon 400 | - |
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| Clock Speed | 1.2 GHz | - |
| Processor Core Qty | Quad-core | - |
| MEMORY | Microsoft Lumia 640 LTE Dual Sim | - |
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| RAM | 1 GB | - |
|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | - |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Microsoft Lumia 640 LTE Dual Sim | - |
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| MAIN CAMERA |
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| Number of Main Cameras | 1 | - |
|---|---|---|
| Sensor Resolution | 8 Megapixel | - |
| Sensor Type | BSI | - |
| Lens Aperture | F/2.2 | - |
| Focus Adjustment | Automatic | - |
| Minimum Focal Length (Focal Distance) | 28 mm | - |
| Digital Zoom | 4x | - |
| Camera Modes | Selfie mode | - |
| Light Source | LED light | - |
| Video Resolutions | 1920 x 1080 (1080p) | - |
| Camera Features (Functions) | Lumia Refocus, Rich Capture function, Dynamic Flash | - |
| FRONT CAMERA |
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| Number of Front Cameras | 1 | - |
|---|---|---|
| Sensor Resolution (Front) | 0.9 Megapixel | - |
| Lens Type (Front) | Wide-angle lens | - |
| Lens Aperture (Front) | F/2.4 | - |
| Video Resolutions (Front) | 1280 x 720 (720p) | - |
| BATTERY AND CHARGING | Microsoft Lumia 640 LTE Dual Sim | - |
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| Battery Capacity (Battery Size) | 2500 mAh | - |
|---|---|---|
| Standby Time | 864 hours | - |
| Talk Time | 1590 minutes | - |
| Run Time Details | Talk (GSM): up to 1590 min Talk (WCDMA): up to 1050 min Playback (video): up to 8.6 hrs Playback (Music): up to 86 hrs Active online usage (Wi-Fi): up to 10.8 hrs Standby: up to 864 hrs |
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| Battery Technology | Lithium Ion | - |
| CELLULAR | Microsoft Lumia 640 LTE Dual Sim | - |
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| Technology | WCDMA (UMTS) / GSM | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| Operating System | Windows Phone OS 8.1 with Lumia Denim update (upgradable to Windows 10) | - |
| Intelligent Assistant | Cortana | - |
| Navigation | A-GPS, GLONASS, BeiDou | - |
| COMMUNICATIONS | Microsoft Lumia 640 LTE Dual Sim | - |
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| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | - |
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| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 38, Band 40 | - |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | - |
| Wireless Interface | IEEE 802.11b/g/n | - |
| Bluetooth | Bluetooth 4.0 | - |
| Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, GATT | - |
| NFC | Yes | - |
| WLAN Security | WEP, WPA, WPA2, TKIP, AES, EAP SIM, EAP-TTLS/MSCHAPv2, EAP-AKA, EAP-TLS, PEAPv0/EAP-MSCHAPv2 | - |
| Communication Features | Mobile Email client, Internet browser | - |
| Messaging Services | Skype, WhatsApp, SMS, MMS | - |
| MEDIA | Microsoft Lumia 640 LTE Dual Sim | - |
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| Supported Digital Audio Standards | AMR, MP3, AAC-LC, GSM FR | - |
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| Supported Digital Video Standards | VC-1, AVC, MPEG-4, WMV, H.264, H.263 | - |
| FEATURES | Microsoft Lumia 640 LTE Dual Sim | - |
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| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, vibrating alert | - |
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| Sensors | Accelerometer, ambient light sensor, proximity sensor, magnetometer | - |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - |
| Additional Phone Features | TTY compatible, DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Kid's Corner, Noise Cancellation Technology, Lumia Color profile, Word Flow keyboard, Power Saving Mode, SensorCore technology, Projection Screen | - |
| OTHERS | Microsoft Lumia 640 LTE Dual Sim | - |
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| Included Accessories | Power adapter | - |
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| Compliant Standards | SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B ciphers | - |
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