Fix: S8 Battery Drains too Fast

Samsung’s Mobile devices are one of the most popular ones due to their futuristic approach and amazing customer support. Due to which almost 46% of all Android devices being used are from Samsung. The Galaxy S8 is the 8th introduction in Samsung’s Galaxy lineup and was their elite phone for 2017. The phone provides many promising features but quite recently there have been many reports of the Battery draining too fast on the phone.

What Causes the Battery to Drain Rapidly on Samsung Galaxy S8?

After receiving numerous reports of the battery drainage problem on the Galaxy S8 we decided to investigate the matter and formed a set of solutions which solved the problem for most of our users. Also, we looked into the reasons due to which this problem was occurring and listed them below.

Now that you have a basic understanding of the nature of the issue we will move on towards the solutions. Make sure to implement these solutions in the specific order in which they are provided to avoid any conflicts.

Solution 1: Running In Safe Mode

In the safe mode, only the default applications can be used and all other applications are disabled. Therefore, unless the issue is with the hardware you will not experience fast battery drainage in the Safe mode. To run the device in the Safe mode:

1. Press and hold the Power button allocated on the right side of the device.

   

2. When the power options open up, Press and hold on the “Power Off” button.

   

3. Tap on the “Safe Mode” option which prompts that the device will be restarted and launched in the safe mode.

   

4. After restarting the words “Safe Mode” can be seen on the lower left corner of the screen.
5. Check to see if the battery drains at the same rate at which it did in the normal mode.
6. If the battery timings improve and no excessive battery drainage is seen it is safe to say that the issue lies within the software.
7. Press and hold the “Power” button again and tap on “Restart” to exit out of the Safe mode.

Solution 2: Isolating Faulty Applications

It is possible that a certain application might be running in the background and using up a lot of the phone’s resources due to which the battery drainage problem is observed. Therefore, in this step, we will be navigating to the battery statistics panel and isolate faulty applications. For that:

1. Drag down the notifications panel and tap on the “Settings icon“.
2. Inside the settings, tap on the “Device Maintenance” option and then on the “Battery” option.

   

3. Now Select the “Battery Usage” option and identify the application that is using the most battery while keeping in mind the amount of time you actually used it.

   

4. Delete the application and check to see if the battery problem persists.
5. Delete more applications that are using excessive battery if the problem still persists.

Solution 3: Checking for Software Updates

In the software updates, developers provide many bug fixes and performance improvements. Therefore, in this step, we will be checking to see if there are any Software updates available to the phone. For that:

1. Drag down the notifications pane and tap on the “Settings icon“.
2. Scroll down and click on the “Software Updates” option.

   

3. Select the “Check for Updates” option and wait for the checking process to finish.
4. Tap on the “Download Updates Manually” option if updates are available.

   

5. The updates will now automatically be downloaded and when the message prompts you to install them select “Yes“.

   

6. The phone will now be restarted and updates will be installed, after which it will boot back up normally.
7. Check to see if the battery drainage problems still exist.

Solution 4: Checking for Application Updates

It is also possible that the Applications installed on your device have not been updated to the latest version and are causing the excessive battery drainage problems. Therefore, in this step, we will be checking to see if any updates are available to the applications. For that:

1. Tap on the Google Play Store icon and then on the “Menu” button in the top left corner.

   

2. Inside the Menu, click on the “My Apps & Games” option.

   

3. Tap on the “Check for Updates” option or on the “refresh” icon if the checking process is already completed.

   

4. Click on the “Update All” if there are any updates available.
5. Wait for it to download and install necessary updates to the application and check to see if the issue persists.

Solution 5: Deleting the Google Application

Sometimes, the Google application can malfunction and cause excessive resource usage which does not show up in the battery statistics because it is counted as a “System Application”. Therefore, in this step, we will be disabling it. For that:

1. Tap on the Play store icon and then on the Menu button in the top left corner.

   

2. Inside the Menu, click on the “My Apps & Games” option.

   

3. Click on the “Installed” tab on the top and tap on the “Google” application.
4. Click on the “Uninstall” button and then “Yes” on the message prompt.

   

5. In the same manner, repeat this process for all the Google Related applications.

   

6. Restart the mobile and check to see if the issue persists.

Solution 6: Wiping Cache Partition

If the excessive cache has been stored on the device it can cause excessive resource usage and result in increased battery drainage. Therefore, in this step, we will be wiping the cache partition. For that:

1. Press and hold the “power” button and tap on the “Switch off” option.
2. When the device is completely turned off, Press and hold the “Volume Down” and the “Bixby” key. Then in the same instance also press and hold the “Power” button.

   

3. When the green Android logo is shown, release all the keys. The device might display “Installing System Updates” for a while.
4. Use the volume down key to highlight the “Wipe Cache Partition” options and when it is highlighted press the “Power” key to select it.

   

5. After the wiping process is completed, highlight the “Reboot System Now” option by pressing the “Volume Down” key and press “power” button to select it.

   

6. The phone will now be restarted normally, check to see if the issue persists.