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 ...
Microsoft Lumia 640 XL LTE Dual SIM mobile was launched in March 2015. The phone comes with a 5.70-inch touchscreen display offering a resolution of 720x1280 pixels at a pixel density of 259 pixels ...