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- Microsoft Lumia 640 Dual SIM
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- 3 User Ratings
- Last Updated: 21st January 2026
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Display 5.00-inch (720x1280)
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Processor Qualcomm Snapdragon 400
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Front Camera 0.9MP
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Rear Camera 8MP
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RAM 1GB
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Storage 8GB
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Battery Capacity 2500mAh
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OS Windows Phone 8.1
Microsoft Lumia 640 Dual SIM Summary
Microsoft Lumia 640 Dual SIM mobile was launched in February 2015. The phone comes with a 5.00-inch touchscreen display offering a resolution of 720x1280 pixels at a pixel density of 294 pixels per inch (ppi). Microsoft Lumia 640 Dual SIM is powered by a 1.2GHz quad-core Qualcomm Snapdragon 400 processor. It comes with 1GB of RAM. The Microsoft Lumia 640 Dual SIM runs Windows Phone 8.1 and is powered by a 2500mAh removable battery.
As far as the cameras are concerned, the Microsoft Lumia 640 Dual SIM on the rear packs 8-megapixel camera. It sports a 0.9-megapixel camera on the front for selfies.
Microsoft Lumia 640 Dual SIM is based on Windows Phone 8.1 and packs 8GB of inbuilt storage that can be expanded via microSD card (up to 128GB). The Microsoft Lumia 640 Dual SIM is a dual-SIM (GSM and GSM) mobile that accepts Micro-SIM and Micro-SIM cards. The Microsoft Lumia 640 Dual SIM measures 141.30 x 72.20 x 8.80mm (height x width x thickness) and weighs 145.00 grams.
Connectivity options on the Microsoft Lumia 640 Dual SIM include Wi-Fi 802.11 b/g/n, GPS, FM radio, and 3G. Sensors on the phone include accelerometer, ambient light sensor, proximity sensor, and compass/ magnetometer.
As of 21st January 2026, Microsoft Lumia 640 Dual SIM price in India starts at Rs. 8,999.
Microsoft Lumia 640 Dual SIM Full Specifications
| Brand | Microsoft |
| Model | Lumia 640 Dual SIM |
| Price in India | ₹8,999 |
| Release date | February 2015 |
| Form factor | Touchscreen |
| Dimensions (mm) | 141.30 x 72.20 x 8.80 |
| Weight (g) | 145.00 |
| Battery capacity (mAh) | 2500 |
| Removable battery | Yes |
| Screen size (inches) | 5.00 |
| Touchscreen | Yes |
| Resolution | 720x1280 pixels |
| Pixels per inch (PPI) | 294 |
| Processor | 1.2GHz quad-core |
| Processor make | Qualcomm Snapdragon 400 |
| RAM | 1GB |
| Internal storage | 8GB |
| Expandable storage | Yes |
| Expandable storage type | microSD |
| Expandable storage up to (GB) | 128 |
| Rear camera | 8-megapixel |
| Rear flash | LED |
| Front camera | 0.9-megapixel |
| Operating system | Windows Phone 8.1 |
| Wi-Fi | Yes |
| Wi-Fi standards supported | 802.11 b/g/n |
| GPS | Yes |
| Bluetooth | Yes |
| NFC | No |
| Infrared | No |
| USB OTG | No |
| Headphones | 3.5mm |
| FM | Yes |
| Number of SIMs | 2 |
| Wi-Fi Direct | No |
| Mobile High-Definition Link (MHL) | No |
| SIM 1 | |
| SIM Type | Micro-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| SIM 2 | |
| SIM Type | Micro-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| Compass/ Magnetometer | Yes |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
| Gyroscope | No |
| Barometer | No |
| Temperature sensor | No |
Microsoft Lumia 640 Dual SIM User Review and Ratings
3 reviews
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Great phone with some pros and consHah Karthick (Apr 20, 2015) on Gadgets 360MIcrosoft is doing great nice phone with 8mp camera and desend front 1mp hd camera 5inch screen . all are great even the price is looks not bad B'coz motog2 also have the same features .but for me when u compare this mobile with Nokia Lumia 730 [B"coz now 730 is priced around 12k in online shopping markets] surely go with Lumia 730 even though 640has 8mp front camera lumia 730has 6.7 mp camera with zies lens its gives a great quality when u compare with 640 and front camera awsome 5mp in 730 ,and 640 1mp there is only one 730has 4.7 inch screen and 640has 5 inch screenIs this review helpful?
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Great in design, camera , performance and durabilityMukul Manghani (Dec 25, 2015) on Gadgets 360Beast. Microsoft Lumia 640 Dual SIM smartphone with 5.00-inch 720x1280 display powered by 1.2GHz processor alongside 1GB RAM and 8-megapixel rear camera.Is this review helpful?
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this is good buy at under 10000 price rangeSandeep Channappa (Nov 16, 2015) on Gadgets 360this is one of the best under 10000 smartphone. my full hands on review i've posted on http://sandeepyc.blogspot.com/2015/11/lumia640review.html if your interested in detailed review, sample pics also i've posted in this as i cant upload pics here.Is this review helpful?
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