In Lollipop Android on the Samsung Galaxy S4 although there was no ultra-energy-saving mode, but you can adjust with a little trick that the screen is only displayed in monochrome colors. Monochrome means that all colors are shades of gray or black and white. As a result, more energy is saved because the screen no longer needs to display colors. We show now in this article how you can set the display to monochrome on the Samsung Galaxy S4.
Opens to the home screen menu and then the settings. Now here you have to tap on the tab "Options". Then scroll down a bit until you get the developer options displayed. If this is not the case, then you must re-activate it first. This works as follows:
Enable developer options in Android lollipop on the Samsung Galaxy S4
Tap "Device Information". There you will find the entry "build number".
In order to unlock the developer options on the Samsung Galaxy S4, you need quick succession tap on the "Build Number". After seven times tap, the developer options are activated, which then in the Settings / "Options" tab can be accessed.
Switch display of the Samsung Galaxy S4 monochrome colors
Samsung Galaxy S4 black and white display output
Opens to now the developer options. Scroll down to the section "rendering with hardware acceleration". In this section you can now find "simulate color space". Typing on this option and You can now in a new window select which colors are to be simulated. Selects here:
Monochromacy
The display of your Samsung Galaxy S4 is now only the colors black and white display. This, in conjunction with the "normal" energy saving mode of the Samsung Galaxy S4 significantly more battery power is now saved.
You know now how to enable the display of the Samsung Galaxy S4 in black white or shades of gray.