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Microsoft Lumia 640 LTE Dual SIM
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OS Microsoft Windows Phone 8.1, Lumia Denim (upgradable to Windows 10 Mobile!)
Chipset Qualcomm Snapdragon 400 MSM8926 (28 nm 1.2GHz Quad-Core 32-bit Cortex-A7 Processor with Adreno 305 GPU @ 450MHz)
RAM 1GB RAM
Storage 8GB
Display 5.0 inches • 720 x 1280 pixels (16:9, HD ClearBlack IPS LCD Display, 294 ppi)
Main camera 8.0 MP f/2.2 28mm Wide BSI Rear Camera with Lumia Camera Pro: 8.0 MP (1/4" BSI sensor, f/2.2 large aperture, 28mm wide, autofocus, Rich Capture HDR & Dynamic Flash adjustment, 1080p@30fps Full HD video), High-Power LED flash
Selfie camera 0.9 MP HD Front Camera with 720p Video for Skype (f/2.4, 720p@30fps video)
Battery 2500 mAh (Removable Li-Ion, swappable on the go! Powers over 17.5 hours calling / 864 hours standby / 8.6 hours continuous video / 86 hours music playback!) • Removable Li-Ion (2500mAh, swappable on the go!)
Weight 145 g (5.11 oz)

Latest Microsoft Lumia 640 LTE Dual SIM user agents:

User Agent Browser Platform
Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; WebBrowser/8.1; IEMobile/11.0; Microsoft; Lumia 640 LTE Dual SIM) like Gecko IE Mobile 11 Windows Phone 8Lumia 640 LTE Dual SIM
Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; Microsoft; Lumia 640 LTE Dual SIM) like Gecko IE Mobile 11 Windows Phone 8Lumia 640 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; MSAppHost/3.0; Microsoft; Lumia 640 LTE 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 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; MSAppHost/3.0; Microsoft; Lumia 640 LTE 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 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 LTE 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 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 LTE Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Mobile Safari/537.36 Edge/15.15245 Microsoft Edge 15 Windows Phone 10Lumia 640 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 LTE Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 Edge/14.14915 Microsoft Edge 14 Windows Phone 10Lumia 640 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 LTE 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 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 640 LTE 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 LTE Dual SIM
Mozilla/5.0 (Windows NT 6.2; ARM; Trident/7.0; Touch; rv:11.0; WPDesktop; Lumia 640 LTE Dual SIM) like Gecko Internet Explorer 11 Windows RTLumia 640 LTE Dual SIM
Mozilla/5.0 (Windows NT 10.0; ARM; Lumia 640 LTE 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 LTE Dual SIM
Mozilla/5.0 (Windows NT 10.0; ARM; Lumia 640 LTE Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Safari/537.36 Edge/13.10586 Microsoft Edge 13 Windows 10Lumia 640 LTE Dual SIM
Mozilla/5.0 (Mobile; Windows Phone 8.1; Android 4.0; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; Microsoft; Lumia 640 LTE Dual SIM) like iPhone OS 7_0_3 Mac OS X AppleWebKit/537 (KHTML, like Gecko) Mobile Safari/537 UCBrowser/4.2.1.541 Mobile UC Browser 4 Windows Phone 8Lumia 640 LTE Dual SIM
Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; IEMobile/10.0; ARM; Touch; Microsoft; Lumia 640 LTE Dual SIM) IE Mobile 10 Windows Phone 8Lumia 640 LTE Dual SIM
Mozilla/5.0 (Mobile; Windows Phone 8.1; Android 4.0; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; Microsoft; Lumia 640 LTE Dual SIM) like iPhone OS 7_0_3 Mac OS X AppleWebKit/537 (KHTML, like Gecko) Mobile Safari/537 IE Mobile 11 Windows Phone 8Lumia 640 LTE Dual SIM
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 640 LTE 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 LTE Dual SIM