The Kyocera Echo (sometimes referred to as Sprint Echo) is a smartphone manufactured by Kyocera of Japan, and distributed by Sprint in the United States.
It runs the Google Android operating system.
It was announced by Sprint on 7 February 2011, and released for sale 17 April 2011.
Sprint claims it as the "first dual-screen smart phone".
[2][3] When using the device, the screens can be used in four modes: