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Extreme test shows OLED iPhone X with 'dark mode' saves nearly 60% battery over 3 hours | AppleInsider
![Extreme test shows OLED iPhone X with 'dark mode' saves nearly 60% battery over 3 hours | AppleInsider Extreme test shows OLED iPhone X with 'dark mode' saves nearly 60% battery over 3 hours | AppleInsider](https://i.ytimg.com/vi/O2tjWI7NarM/maxresdefault.jpg)
Extreme test shows OLED iPhone X with 'dark mode' saves nearly 60% battery over 3 hours | AppleInsider
![New research challenges the theory that dark mode on OLED saves battery on a smartphone - NotebookCheck.net News New research challenges the theory that dark mode on OLED saves battery on a smartphone - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/007lLcywgy1gsz5fcm4jbj31400qotck44.jpg)
New research challenges the theory that dark mode on OLED saves battery on a smartphone - NotebookCheck.net News
![Extreme test shows OLED iPhone X with 'dark mode' saves nearly 60% battery over 3 hours | AppleInsider Extreme test shows OLED iPhone X with 'dark mode' saves nearly 60% battery over 3 hours | AppleInsider](https://photos5.appleinsider.com/gallery/23639-30054-iphone_x_oled_dark_mode1_720-l.jpg)