The article mentions enabling Color Filters as a shortcut action via triple-clicking the power button. It just so happens that the default filter is greyscale.
If you want to play around with the other options (or permanently set greyscale), itβs under Settings β> Accessibility β> Display and Text Size β> Color Filters. Or just search Color Filters from the main Settings search bar.
If you want to play around with the other options (or permanently set greyscale), itβs under Settings β> Accessibility β> Display and Text Size β> Color Filters. Or just search Color Filters from the main Settings search bar.