Greyscale

Yufz

About this app

Before using this Application, you need to use "adb tools" to grant permission, copy below command and exec it on a PC.

adb shell pm grant com.fei_ke.greyscale android.permission.WRITE_SECURE_SETTINGS

About "adb tools": https://www.xda-developers.com/install-adb-windows-macos-linux/

Source code: https://github.com/fei-ke/Greyscale

Ratings and reviews

This is the only app I have found that does what I want. Can turn it on or off just by clicking the icon. only downside is that you need to install adb on your computer to grant permissions. I'd recommend the lifehacker 'easiest way' article rather than getting sdk, wayyyy simpler.

Works perfectly! it would be nice to update the description with a guide on how to do this for other people: Install adb tools, enable usb debugging for your device, connect your device to your pc and make sure it is connected, then finally run that adb shell command in a terminal or command prompt window and then it should work.

The app is good but I don't want to mess up the process. Guys do this , open enable developer mode on your phone , under hardware acceleration , select last option simulate colour or similar and select monochromacy , that's it, your done .

What’s new

Fixed FC on some device.