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Dark Mode really does save your phone's battery life, says Google

09 November 2018

Black on OLED screens is known to use less power because the LEDs that make up each pixel are off, whereas displaying white means the LEDs need to shine and consume power. That not only saves battery life, it means that the contrast is sharper when reading text on a black background with an AMOLED screen.

During the Android Dev Summit 2018 that was just held in Mountain View, Google admitted something we all basically knew anyway: it may have been wrong to use so much much white in its apps as it drains smartphone batteries faster than duller, darker colors.

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Google went on to acknowledge the prevalence of white in its apps and the way it pushes devs to use it, but there could be a method to its madness.

Google also showed a comparison between the original Pixel and the iPhone 7 which is self-explanatory, as long as you're aware of the screen differences between the two devices. Dark Mode helps power conservation in devices with OLED screens as the pixels are completely turned off unlike LCDs where power is required to display both white and dark shades.

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The number is derived from malware detected by Google Play Protect scans, which covers both applications distributed through its Play Store, other app stores, and sideloaded apps. At full brightness, power draw dropped by 60 percent when moving from normal to dark. Google has introduced new tools and features at Android Developer Summit. If you crank brightness on your phone, a damn dark theme on your keyboard could save you 21%. The new API gives you the option to stay in your app as it updates.

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No matter how strong your allegiance to Android or iPhone is, you'll probably agree that the worst thing about Android phones and iPhones is battery life.

Dark Mode really does save your phone's battery life, says Google