E-Ink is commonly only available on e-readers, with almost all smartphone and tablet manufacturers adding an LCD panel. There are still problems with E-Ink displays, including the responsiveness of the screen and the lack of color, but they work amazingly for battery life.
This is the idea YotaPhone works on, when users have excess battery life they can use the 4.3-inch 720p LCD display and when there is hardly any battery life left the 360×480 E-Ink display can run for days without a need for charge.
Inside the YotaPhone is a 1.7GHz Krait processor, 2GB of RAM, 32GB of internal storage, 13MP rear camera, 1800mAh battery, WiFi and LTE. The phone is running Android 4.2.2 at launch and has redesigned some applications for the colorless E-Ink display on the back.
The YotaPhone will be available in Russia, Austria, France, Spain and Germany to start off sometime in late 2013 and will come to 15 other European countries in 2014, but there is no word on a UK, US or Asian launch.
In Europe the YotaPhone will be available for €499 off contract on launch.