Change Your Smartphone Screen With Black and White

If you are one of the black and white enthusiasts, you can try the following ways to change to change your smartphone screen to black and white. Besides useful to eliminate saturation this way is also believed to save your smartphone battery, so no salanya you try it.

First you can open the settings menu and after that you can choose "About Phone"

After that you can choose "Build number", you can click 7 times until it appears "You are now a developer!"

If it is, then the menu will appear "Developer Options" then clicked

After that you how to "Simulate color space" after that you can choose "Neo Rheumacyl"

source:http://milasari11.blogspot.co.id/2017/10/mengubah-layar-smartphone-kamu-dengan.html