Microsoft Lumia 640 Dual SIM
OS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset Qualcomm MSM8926 Snapdragon 400 (28 nm)
RAM 1GB
Storage 8GB
Display 5.0 inches, 68.9 cm2 • 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Main camera 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Selfie camera 1 MP
Battery 2500 mAh • Li-Ion
Weight 145 g (5.11 oz)

Latest Microsoft Lumia 640 Dual SIM user agents:

User Agent Browser Platform
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; WebView/3.0; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15063 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; WebView/3.0; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.14965 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; MSAppHost/3.0; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15063 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 Dual SIM; Cortana 1.8.12.15063; 10.0.0.0.15063.1868) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15063 Cortana 1 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15254 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15252 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.14977 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 Edge/14.14393 Microsoft Edge 14 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mobile Safari/537.36 Edge/14.14295 Microsoft Edge 14 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mobile Safari/537.36 Edge/14.14291 Microsoft Edge 14 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mobile Safari/537.36 Edge/13.10586 Microsoft Edge 13 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mobile Safari/537.36 Chrome Mobile 46 Windows Phone 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows NT 10.0; ARM; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15254 Microsoft Edge 15 Windows 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows NT 10.0; ARM; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063 Microsoft Edge 15 Windows 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows NT 10.0; ARM; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393 Microsoft Edge 14 Windows 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows NT 10.0; ARM; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10536 Microsoft Edge 12 Windows 10Lumia 640 Dual SIM
Mozilla/5.0 (Windows NT 6.2; ARM; Trident/7.0; Touch; rv:11.0; WPDesktop; Lumia 640 Dual SIM) like Gecko Internet Explorer 11 Windows RTLumia 640 Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15063 Microsoft Edge 15 Windows Phone 10Lumia 640 Dual SIM