Changing these 7 settings on my Samsung phone greatly extended its battery life
Briefly

Changing these 7 settings on my Samsung phone greatly extended its battery life
"But most Samsung phones -- especially the flagships like the Galaxy S25 Ultra, Galaxy Z Fold 7, and Z Flip 7 -- come with over-the-top features that you might not use daily. If your new Galaxy phone isn't lasting an entire day on a single charge, there are ways to make the most of what you have without hindering the user experience. Also: The best Samsung phones to buy in 2025 Here are seven ways to maximize the battery life on your Galaxy phone."
"Most Samsung phones feature AMOLED displays, which can control individual pixels. So, when you use a dark theme or dark wallpaper, the part of the screen that needs to stay black won't turn on those pixels. This, in turn, reduces screen power usage and makes your battery last slightly longer. How to: Open the Settings app > Display. You'll get two cards for Light and Dark. Tap on the Dark option."
Galaxy phones include many advanced features that can drain battery life, but simple settings can extend runtime without sacrificing usability. AMOLED displays benefit from Dark Mode because black pixels can remain off, lowering screen power usage. Adaptive Brightness uses the ambient light sensor to set appropriate screen luminosity, preventing unnecessary brightness. Practical how-to steps include toggling Dark Mode in Display settings and enabling Adaptive Brightness. The recommended adjustments focus on quality-of-life improvements rather than reducing resolution or refresh rate, and they aim to help phones last longer on a single charge.
Read at ZDNET
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