How To Fix Android System Battery Drain/ High Usage Issue

Categorized as Battery

Android system high battery usage is one of the most common and fixable issues most android users face. This guide will show all the fixes you can apply to recover your Android device’s battery life!

How to Fix Android System OS Battery Drain High Usage

How To Identify The Battery Consumption Of Android System & Apps?

You can use any battery usage monitor app or your default battery checker app to check the amount of battery your android system use.

android system high battery usage

You may have already identified that your android system is the evil that consumes your device battery faster. However, the normal battery consumption of the Android System can be 4-14%.

If you see abnormal battery consumption like 15-70%, you can improve this score by doing a few optimisations that we will show you in this guide which helps you recover the battery life back.

What is Android System?

Android system is the core of the operating system that’s on your Android phone. So, it can run many underground hidden processes/ essential system apps. This may cause high system battery drain than past.

How To Fix Android Battery Drain/ High Battery Usage Issue Of Any Android Device?

However, you can use several methods to solve this issue easily to get the usual best battery life/ performance that your device had before.

If you are facing a fast battery drain issue in your Android system, here are all the things you can do to solve the battery drain issue of your Android device.

01. Clear Google Play Services Data

Google play services are an essential part of the Android operating system. It helps Google’s and third-party apps to sync and exchange data with Google.

As a part of android OS, Google play services using a lot of memory and RAM space which always cause to drain the battery fast, so clearing cached Google Play Services data and clearing its data can improve the battery life of your android system.

To clear data of Google Play Services,

Method 01: Go to Settings > Apps > Google Play Services > Clear Data

Clear Google Play Services Data

Method 02: Go to Settings > Apps > Google Play Services > Storage > Manage Space > Clear All Data


02. Wipe Android System Cache

If you don’t regularly clean the system cache, it will increase the number of cache files in your device, but it also drains the battery while consuming a lot of storage.

Therefore, you should regularly optimise your device by clearing cache files every day. Some devices also offer an automatic cache clearing option that you can find on android settings.

Follow the steps below to wipe the system cache:

  1. Go to Settings of your Android Device.
  2. Select Storage Option from the Settings.
  3. Select Cached Data.
  4. Once it asks to clear cached data select OK to confirm.
How to Wipe Cached Data
Pro Tip: You can also use a third party cache clearing and mobile optimizing app like AVG Cleaner to clean cache and optimize the overall performance of your device.

03. Restrict Background Activities Of Rarely Used Apps

If you are using third-party apps like Facebook, it can consume considerable battery power.

Social media apps and many other apps run in the background to collect data, and they can run in the background to check for GPS to track your location, track offline activities, constantly wifi-scanning etc. So, this sub-process can do a serious android system battery drain that you cannot see directly.

Therefore, you can restrict background activities for all the apps that you rarely use to decrease the number of sub-processes running in the android system, which will also increase the battery life.

You can follow the steps below to restrict background activities on third-party apps:

  1. Go to Android Settings.
  2. Select Apps from the menu.
  3. Choose the app you need to restrict background activities.
  4. Choose Permissions.
  5. Select Start in Background.
  6. In the pop-up menu, click Deny to confirm.

Follow the same process to restrict background activities of all the apps you need to restrict running in the background.

04. Uninstall Unused Apps

While you can restrict background activities of rarely used apps, there may be many unused apps on your device.

Sometimes we install apps to try them out but forget to use them again. So, these apps can also run in the background and use android system resources to perform tasks they are designed for. It will also increase the system activities and drain the android battery fast.

You can uninstall these apps by following the steps below:

  1. Go to Android Settings.
  2. Select Apps from the menu.
  3. Select the app that you need to uninstall.
  4. Tap Uninstall.
  5. On the confirmation dialog, tap Ok.
Pro Tip: You can also use a third-party app like Files by Google to easily detect and delete unused apps.

05. Disable Automatic Backups

All android devices come with an automatic backup option. So, turning this on will automatically backup android data like App data, Call history, Contacts, Settings, SMS messages at equal intervals.

So, when you have this turned on, your device data backups are uploaded to Google. Therefore, it will also increase the battery consumption of your android system.

To diagnose this issue, you can disable automatic backups.

You can follow the steps below to disable automatic backups:

  1. Go to android Settings.
  2. Tap System.
  3. Tap Backup & Reset.
  4. Tap Auto Backups.
  5. Turn Off Auto Backups.
Turn Off Auto Backups - Fix Android Battery Drain

06. Change Your Android’s Theme & Fonts

Most modern Android devices come with custom themes and fonts. Devices like Samsung, Huawei, Xiaomi etc., have their own theme stores that allow users to download and install custom themes & fonts.

Some of these themes and fonts look so beautiful. However, they also increase the usage of system resources, which also increase the battery consumption of the system.

So changing these custom themes and fonts can also diagnose the android system battery drain.

All the Android devices come with an official theme and font style, which might be boring, but they are highly optimized to reduce battery usage. You can change your custom theme & font to default and reboot your device to check if your theme is the reason for the battery drain problem.

How to change your device theme and fonts:

  1. Head over to the Theme store of your device.
  2. Go to the Main Dashboard.
  3. Click Themes.
  4. Select Default.
  5. Tap Apply.
  6. Reboot your device.
Turn Off Auto Backups - Fix Android Battery Drain

How to change the font of your device:

  1. Head over to the Theme store of your device.
  2. Go to the Main Dashboard.
  3. Click Fonts.
  4. Select Default.
  5. Tap Apply.
  6. Reboot your device.

After applying all these fixes, please turn off your device and wait until it gets fully charged.

Then, monitor your device battery to see if your android system and android os battery drain issue has been fixed.

If you know any other methods to solve the android system battery drain issue and reduce android system battery usage, don’t forget to share them with us in the comments section.

By OsGodz

OsGodz is a website that talks about anything related to operating systems. We write tutorials, reviews, news about major operating systems, including Windows, Linux, MAC, Android etc. If you need our assistance to fix any issue you face in your OS, drop us an email at

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