Coolpad cool 1 dual is an greatest device till now coolpad have. It comes with dual sim and a great look. It has 4G dual sim stand by. The camera quality is much better than the older device of coolpad has. The battery back up is also fantastic in this device. And the sound quality of this hendset is also likeble. And coolpad work on the screen resolution this time. An fantastic handset is now comes you can buy it. If you like the quality not the name of a company then you must look once to this device