Tonymusk

Most people know that the show is one of the most battery-intensive components of a smartphone. What they don’t know, however, is that the wallpaper they choose can significantly improve battery life. Pure black wallpaper or generally dark wallpapers or backgrounds can save energy when compared to lighter coloured paper. It just depends on what type of screen you are going to have.
Know more @ https://techblogbox.com/black-wallpaper/