Curved display smartphone

Curved display smartphone : The first time we saw a smartphone screen designed to have a little curved glass, back to 2010 by Samsung Nexus S Android smartphone with curved glass appears. for the first time At that time, it was not flexible or bent, and in 2013 it was the first time that the device had a curved screen. 
This year's LG G Flex, Samsung Galaxy Round, has been released and will be available worldwide next year.