Question: You can save battery power by using a black background on your mobile phone screen "> When the pixel is black, it does not produce any light. When the pixel is white, it does light. In other words, if you use a black background on an AMOLED display, the screen produces less light and, the battery consumption is reduced by making the charge last longer.
To find out if your mobile phone has an AMOLED screen, you can search for specifications on Google.
For example, the popular Android smartphone Samsung Galaxy S3 has the AMOLED screen as well as the Nokia Lumia 900 (but not the 920).
Certainly a black background on the smartphone is not the best of aesthetics but in a world where everything seems to improve except the battery life, maybe it's worth it.
In addition, the solid black backgrounds make the text easier to read and makes the application icons better visible.
To put a solid black background on Android you can open this article in Android and save this black image on your mobile phone to set it as a background.
Long press on the home screen and tap on Gallery to select the wallpaper to use.
To put the black background on an iPhone or iPad you can do the same thing, open this black image and save it on your mobile phone.
From the settings, select the background and brightness.
In other articles:
- Increase battery life on iPhones, smartphones and mobile phones
- 10 Apps to optimize the battery on Android and extend the charge
