Microsoft Lumia 640
Microsoft Lumia 640 Dual Sim smartphone which is released in April 2015 with Dual SIM (Micro-SIM, dual stand-by) with 5.0 inches with a resolution of 720 x 1280 pixels. It has a primary camera of 8 MP and secondary camera of 1 MP, 720p. It is powered by Quad-core 1.2 GHz Cortex-A7.