Does your Samsung Galaxy S8 eat a lot of battery? If yes, then quickly follow our guide and fix Samsung Galaxy S8 battery issues.

Samsung Galaxy S8 is one of the most trending and popular smartphones with lots of hidden features. The phone is too much in trend because of the large screen size, powerful processor, and massive battery life. The overall performance of Samsung Galaxy S8 phones is incredible, but after a few months, users complain about battery issues in their devices.

Most Galaxy S8 users complain that the phone’s battery lasts for 2 to 4 hours on a single charge. In our opinion, there are dozens of reasons that your phone eats a lot of battery. Some of the reasons are battery health, charging methods, faulty applications, outdated software, and many more.

To solve the Samsung Galaxy S8 battery issues, you need to know the reason for the depleting battery. Once you know the culprits behind Samsung Galaxy S8 battery issues, you perform some quick tweaks to resolve this issue.

If you are also the Samsung Galaxy S8 user and want to fix battery issues, read our article in the section below to get detailed information in that matter. So, without wasting too much time, let’s quickly dive on the solutions below:

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Troubleshooting Guide To Fix Samsung Galaxy S8 Battery Issues

Clear System Cache

Whether you are facing any issue or not, clearing system cache is always a great solution to maintaining your phone’s health. Clearing system cache removes all the junk files and clears all the corrupt data from your device. To do so: here are the steps below.

Step 1: Switch off your device by using the power button.

Step 2: Hold the “Volume Up,” “Bixby,” and “Power Key” at the same time.

Step 3: Release all the three keys when you see “Android Logo” appear on the screen.

Step 4: Now, you are in recovery mode, where you colored text on the screen.

Step 5: Highlight the “Wipe Cache Partition” by using the volume button and use the power button to Confirm.

Step 6: Then again, use the volume down key to select “Yes” and the power button to confirm.

Step 7: After completing the process, again highlight “Reboot System Now” using the volume key.

Step 8: Once done, use the power key to “Restart” your device.

Lower Screen Brightness

Your Galaxy S8 phone looks smart when it’s bright. But more brightness means more battery. So, to avoid this situation better is to minimize the brightness level according to your comfort zone. It helps in saving little or more battery on your phone.

Uninstall Unused Apps Runs In The Background

Uninstall Unused Apps

If you are looking for a massive battery saver, uninstalling the apps that run in the background are a great solution to fix this problem. Or dozens of other apps eats a lot of your battery, so better is to uninstall unused apps. Check the apps drawer and trust us; you will find 10-12 apps that are not in use.

Better is to uninstall them and as much as a battery. If you found any default app that is not in use better is to disable it. You quickly found the power-hungry apps by the device maintenance option on your phone. Let’s take a quick look at the steps below:

Step 1: Open the “Settings Menu” on your phone

Step 2: From the settings list, click on “Device Maintenance.”

Step 3: After that, click on “Battery”> “Battery Usage.”

Step 4: From the lists, you can quickly find which apps use a lot of battery on your device.

Change Screen Resolution

All smartphones come with two or three resolution modes. Samsung Galaxy S8 offers three resolution modes from which you can select the lower screen resolution mode to save a little battery life and fix Samsung Galaxy S8 battery issues.

In lower screen resolution mode, your photos and videos look stunning as in higher resolution mode. To change screen resolution, here are the steps to follow:

Step 1: Go to the “Settings Menu” and tap on the “Display” option.

Step 2: Under display lists, search for “Screen Resolution” and tap on it.

Step 3: Adjust the screen resolution on the “Lower Mode,” and you are done.

Turn Off Unused Network Services

Turn off unused network services like Bluetooth, Wi-Fi, or mobile data when not in use, it also helps in saving a lot of battery on your device. If the networks are not in use, it is better to turn on Airplane mode for more battery saver.

Turning off Bluetooth when not in use also helps save a lot of battery as it does not scan the nearby devices or cannot run in the background.

Disable Always On Display Feature

Disable Always On Display Feature

We always agree that display is an excellent feature in Samsung Galaxy S8. But this feature eats a lot of battery even when your phone is off. So, better is to disable the always-on display feature to save more battery and fix Samsung Galaxy S8 battery issues. Here are the steps to follow:

Step 1; Go ahead and open “Settings Menu.”

Step 2: In the menu, scroll down until you see the “Lock Screen” option.

Step 3: Tap on the lock screen option and the list finds the always-on display option.

Step 4: Toggle the “Always on Display Icon” from blue to grey to turn it off. (image 3)

Get Rid Of Assistants

The Samsung Galaxy S8 comes with two virtual assistants, i.e., Bixby and Google assistant. As these apps work on your commands, they are always active in listening to your voice. It means these apps are actively run in the background.

It not only consumes the battery but also consumes the data of your device. So, if you are not using these apps, it is better to disable both voice assistants to save as much as a battery to get rid of Samsung Galaxy S8 battery issues.

Use Power Saving Mode

Use Power Saving Mode

Power saving mode is a great way to reduce battery consumption and fix Samsung Galaxy S8 battery issues. You can use the power-saving mode when there is no possible way to charge your device. If your phone is in power-saving mode, better is to turn off data, lower screen brightness, and stop listening to music.

With these simple tweaks, your phone works better even in power saving mode. Let’s see how to enable power-saving mode.

Step 1: Go directly to the “Settings Menu” from the apps drawer.

Step 2: From the list, search for “Device Care” and tap on it.

Step 3: Then tap on the “Battery” option and tap on “Maximum Power Saving Mode.”

Hard Reset Your Samsung Galaxy S8

If all the above solutions fail to fix Samsung Galaxy S8 battery issues, and your phone still eats a lot of juice, then the only solution to fix the battery problem is hard to reset your device. But before performing a factory reset, make sure that you have backup all your internal data. Let’s follow how to factory reset Galaxy S8:

Step 1: Switch off your Samsung Galaxy S8.

Step 2: Press the “Volume Down,” “Bixby,” and “Power Button” simultaneously.

Step 3: Release all the keys when you see “Android Logo” on the screen.

Step 4: Now, you are in recovery mode, from here navigate the “Wipe Data/Factory Reset” option by using the volume key.

Step 5: Use the Power button to confirm the option.

Step 6: Now, again, use the volume key until you reach the “Yes Delete All User Data” option.

Step 7: Again, use the power key to confirm and wait until the master reset completed.

Step 8: Finally, highlight “Reboot System Now” by using the volume button.

Step 9: Wait until the reboot system process is completed. Now use the power key to “Restart” your device.

Wrap Up

So, those are the quick solutions to fix Samsung Galaxy S8 battery issues. Well, the battery life of the phone depends on the usage and the features you use.

Thanks for giving your precious time to read this post. We hope you can select smart features to reduce battery consumption on the phone. For the latest articles, do follow us and keep supporting The Android Portal.


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Ravi is currently associated with TheAndroidPortal. He really likes to test out android gadgets, devices, smartphones and give unbiased opinions. Finding the affordable, and best value option in today's market is what he get up every day for.