9 Best Ways to Fix Samsung One UI Battery Drain

Samsung has done a remarkable job with a redesigned One user interface for Galaxy devices. You can expect great one-handed mode, revamped default apps with a large banner at the top, and smooth animations in One UI. The improvements don’t stop there. Samsung has also smartly integrated battery saving measures. If you are suffering from a lower than average battery level on your Galaxy device, you need to change some options and settings in One UI.

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Fix battery drain on Samsung devices

To be fair to Samsung, the company offers its devices with gigantic batteries. In particular, the Galaxy M series makes love with a 6000mAh / 7000mAh battery.

Even with a lot of batteries, you might end the day with little or no battery. If you want to fix battery drain and improve battery life, you need to make some changes in One UI.

In this article, we will talk about the top nine ways to fix Samsung One UI battery draining issues. Using the tips below, you can improve your Samsung phone’s battery life and even advance battery health cycles. Let’s start.

1. Turn off the always-on display (AOD)

    Always On Display is one of the best additions to One UI. The AOD allows you to customize your screen to show the time, date, battery status, notifications, screen savers, and more. Always On Display will consume the battery. On average, it consumes around 1% of battery life per hour.

    On top of that, if you are picture as AOD, the battery will drain faster. You need to turn off AOD mode on your device. Pull down the notification bar and turn off the AOD toggle.

    Always visible

    You can also open the Settings menu and go to Lock screen> Always-on display and turn it off.

    2. Activate dark mode

    Most Samsung phones, including Galaxy M, A, S, and Note series, now come with AMOLED displays. AMOLED panels are battery compatible when used with dark mode. Fortunately, Samsung has integrated a suitable black theme for dark mode.

    Dark mode

    Dark mode doesn’t require every pixel to light up the screen. You need to turn on dark mode from notification toggle to save battery juice. Users can also use the auto dark mode on / off feature from Settings> Display> Dark mode menu.

    3. Activate adaptive brightness

      Screen brightness plays a major role in the battery life of any device. Samsung offers an adaptive brightness option to track brightness settings and automatically apply them under similar lighting conditions.

      Adaptive brightness

      By default, the option is disabled. You must enable the function from Settings> Display> Adaptive brightness.

      4. Use power mode

        Samsung offers a neat power mode menu to customize power savings to suit your needs. By default, the power mode is set to Optimized, but if the battery life is less than ideal, switch to medium power saving or maximum power saving mode.

        Follow the steps below to use power mode on Galaxy devices.

        Step 1: Open the Settings app on your Galaxy device.

        2nd step: Go to Battery> Power Mode.

        Power mode and power management of applications

        Step 3: By default, it is set to Optimize. Switch to medium or maximum energy saving mode.

        Power mode and adaptive power saving

        5. Switch to adaptive energy saving

          I highly recommend using Adaptive Power Saving Mode on your Samsung phone. It’s the best of both worlds. You can continue to use the device in normal mode, and if necessary, the One user interface will automatically switch to medium or maximum power saving.

          The system learns your usage pattern and automatically switches the power mode to save battery.

          Power mode and adaptive power saving

          Go to Settings> Battery> Power Mode and turn on Adaptive Power Saving Mode.

          6. Use the adaptive battery function

            Samsung offers a convenient adaptive battery mode to limit battery usage. The option limits battery usage for apps that you don’t use often. You will find the option in Settings> Battery> App power management and enable it.

            Adaptive battery

            7. Turn off fast charging

              This option can be useful if you plan to keep your device for longer. Your device’s battery health comes with a fixed charge cycle and capacity degrades over time. The fast charge option speeds up the process of battery degradation.

              Fast charge

              You can turn off fast charging from the device settings menu. This can be handy if you plan to charge the device overnight.

              8. Scan the phone

                You don’t need any third-party antivirus software on your Android phone. But if you install apps outside of play store or use Samsung phone with multiple PCs to transfer files, then you need to scan phone regularly.

                Phonoe scan

                Incomplete file or malware can impact the battery life of your Galaxy phone. Samsung has partnered with Macfee to provide a solution. You can open the Device Care app and go to the Security option to scan the phone and delete irrelevant files.

                9. Download the latest software update

                  Sudden battery drain on your Galaxy device may be due to recent buggy build. After all, Samsung is not at the top of the table when it comes to delivering quality updates. You need to check if a new software version is available to install on the device.

                  Download the update

                  Also on Guiding Tech

                  Troubleshoot battery drain issues on Galaxy devices

                  Samsung offers several ways to fix battery drain and improve the battery life of your device. It is up to the users to make the changes in the One UI Settings app. Follow the tips above and start using your Galaxy devices for longer.


                  You need to turn off the old-school navigation bar in One UI and use gestures. Read the article below to know how to hide navigation bar in Samsung One UI.

                  Last updated Sep 6, 2020

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