Here are two links about the Sony imx378 used for the KEYone's camera.
https://www.xda-developers.com/sony...of-the-google-pixels-sensor-and-its-features/
Xiaomi Mi5S has Sony IMX378, now considered the best mobile camera sensor in the world. – GizBeat
https://www.xda-developers.com/sony...of-the-google-pixels-sensor-and-its-features/
Xiaomi Mi5S has Sony IMX378, now considered the best mobile camera sensor in the world. – GizBeat