Friends, I have purchased Microsoft Lumia 640 dual sim 1 year back from Flipkart. The phone built quality is amazing. This phone come with lastest W8.1 latest updates with ready to get W10 , the battery bacup is amazing approxmate 2 days.
A big battery 2500mah, hd screen, 5inch 720p IPS LCD display with great vewing angle. I love this phone. Now I have update this phone to W10 via offical update. Now the phone running very smoothly without any lags. You can play hd games like as Asphalt 8 , GTA, any other games without any lags. I recommend to you , you bye the amazing phone from flipkart.