Samsung Galaxy S9 S9 Plus S8 and S8 Plus
Samsung Galaxy S9 S9 Plus S8 and S8 Plus

Are you experiencing a battery drain on Samsung Galaxy S9, S9 Plus, S8 or S8 Plus? If yes then we’ve got a solution for you.

Battery drain on Samsung Galaxy S9

Battery drain on Samsung Galaxy S9, S9 & S8 and S8 Plus can be pretty frustrating. If you can’t get a day’s use on your device or you notice a rapid drop in battery then the first thing you will need to check if is there is a new update available for your this. This is because Samsung might have acknowledged the battery drain issue and have pushed out an update to fix this problem.

However, if you’ve checked the Settings >> About Phone >> System Update and there is no update available for your device then the battery drain on your device isn’t a widespread problem and probably peculiar to just your device. In that case, you can follow the below step to reduce the battery drain.

Reduce Brightness

Brightness is the number one drainer of batteries on Almost Every phone. This is because for you to make use of your phone, the brightness has to be turned on. Now when you turn the brightness all the way up, it sucks up even more juice. Reducing it also reduces the effect on the battery.

To reduce the brightness, Head Straight to the Settings Menu/App >> Display >> Turn off the automatic brightness if it turned on and Adjust the brightness by dragging the slider all the way down to the lowest. After doing this, you should notice a significant reduction in how your battery depletes.

Turn Off Always On Display

The always on display is a nice little feature that lets us check things like time date and time anytime without having to pickup the phone or unlock it. While this feature is great and probably doesn’t take up more of your battery. You’ll definitely be needing all the juice you can get and also reduce the load on the battery, no matter how small.

To turn off the always on display on your Samsung Galaxy S9, S9 Plus, S8 or S8 Plus, Navigate to your Settings Menu/App >> SelectLock Screen & Security >> Toggle the Always On Display Option to Off.

Quit All Background Apps & Uninstall Unused Apps

Background apps are kings when it comes to dealing a heavy blow to your battery. They stay in the background; out of sight and keep running using your phone resources like processing power, data connection/WiFi, and most important Draining battery. All and every background apps should be stopped, leaving on the Essential ones.

You should always uninstall unused apps; apps you rarely used or might never use in the nearest future. They also contribute to draining your battery. The lesser the apps you have on your phone, the More battery you have to play around with. You can also go to the battery section in the settings menu and see the apps that have been responsible for Draining your app so as to give you a hint on where to start uninstalling from.

Factory Reset Your Device

If you haven’t the seen any difference in your battery life after trying the above methods the you will need to perform a factory reset. Factory Reset has been known to fix all kinds of phone Errors which might just be what your phone needs. But first, you will need to backup all your important stuff on your phone before performing a factory reset. To do that, see the steps below.

  • Open the Settings Menu.
  • Navigate to General Management.

  • Tap Reset and Select Factory Data Reset.

  • Scroll down and hit Reset.

  • Select Delete All.

  • You might be asked to input your phone PIN or Password or any other security measure you’ve put in place.

  • Do that and Hit Confirm.

Your device will turn off, Reset and turn right back on. Be patience while this process is complete. After that, Proceed to set up your device and hopefully, the battery performance should be back to normal now.


That’s how to fix battery drain on Samsung Galaxy S9, S9 Plus, S8 and S8 Plus if you have any of this devices. Let us know which step worked for you by dropping a comment down in the comment section.

If after following all the steps below and you are still experiencing battery drain on Samsung Galaxy S9 or any of the devices mentioned then you need to have a phone technician check your battery.

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