Lenovo K3Note quick setting for enabling gray scale mode/monochrome/Black on white mode in Android 6 Marshmallow, also learn how to make shortcut of accessibility setting on Home screen for quick access to color correction mode.
- How to turn on Gray scale mode in android 6 / Marshmallow easy setting
- Enable through developer mode setting for older version of Android
- How to make accessibility setting shortcut for quick enable disable gray-scale mode