Microsoft lumia 640 dual sim with good features it’s Weight is 145 grams . IPS LCD capacitive touchscreen 16M colours with 5 inch screen. It’s Windows 8 Which is very very nice . 1.2 ghz cortex 7 processer speed . 8 gb internal storage and 1 gb ram . 8 megapixel camera with led flash external memory can up to 251 gb . Remove able battery.battery life 2500mhz
It gets started hang after 2-3 months then we use to do restart again and again. I aka for update again and again after doing also.