Samsung S25/S25 Plus/Ultra Running Slow? Reasons and Fixes

Is your Samsung Galaxy S25 running slow?

There can be several reasons behind your S25 running slow, but don’t worry.

In this guide, we will learn about the reasons and fixes for Samsung S25, S25 Plus, and S25 Ultra running slow.

It is very important to use your device to its fullest without impacting its performance and battery life.

There are certain things that you can do to optimize the performance of your phone.

Go through this guide to learn about the potential reasons and fixes for your device running slow or not giving the best performance as it should.

Causes 1: Using Outdated Software

One of the main causes of a device running slow is using outdated software. Brands provide updates to fix bugs and improve the overall performance.

In case, you forgot to update your Galaxy S25 and it’s not performing as it should, then you know why.

So, make sure you check if a new software version is available for your phone or not. To check, follow the below steps.

Open Settings and go to Software update.
Select Download and install.
Tap on Install now, if any update is available.

A few important reminders when updating your device’s software:

Use Wi-Fi Connection – The update size can be large, so it’s better to update it via a Wi-Fi connection to avoid excessive data usage of your phone and for a stable connection.

Make Sure Your Device Has 50% Battery: The Updating process takes time to finish, so make sure your device has enough charge till then. Also, it is recommended to update your device when it has at least 50% battery.

Hang in there: Wait patiently until the process is completed, don’t interrupt by turning off the device.

Cause 2: Device Running Out of Space

When a device is low on storage or runs out of storage, then the device runs slow as compared to before.

Your device has too many resources to handle that’s why it doesn’t give the optimum performance like before.

For example, if you have installed apps, games, and big files that kill the overall performance of your device it is maintaining those big files and apps.

So, make sure you do not run out of storage and always keep the storage free up to 30GB. Follow the below steps, to check your phone’s storage.

Open Settings and go to Battery and device care.
Here, tap on the Storage

If your phone is low on storage, then consider doing these few things.

Delete Big Files and Media: Delete the old and big files such as photos, and videos that are not useful or precious to you. Also, try deleting the duplicate photos to deep clean.

Uninstall Unused Apps: Try uninstalling those apps that you do not use often. Also, uninstall those games with big sizes, if you don’t play them anymore. These apps consume the phone’s resources and run in the background.

Move Files to External Storages: You can use external drives like SD cards or USB Drives to keep your photos and videos. You can also use Cloud Storage Service to keep your data and files.

Cause 3: Too Many Apps Running In Background

Another main reason behind the Galaxy S25 running slow is the background apps that are constantly running in the background.

These apps often run in the background when you turn on the device or open those apps for once and forget to close them.

Those apps run in the background by utilizing your phone’s CPU and RAM, which impacts the other tasks and slows down your phone.

To check which app is running in the background, tap on the Three Vertical Lines on the navigation bar or swipe up from the navigation bar and hold it for a few seconds.

To optimize your phone’s performance, close the recent background apps.

Close Recents Apps: Tap on the Three Vertical Lines on the navigation bar or swipe up from the navigation bar and hold it for a few seconds, then close the recent apps one by one or close all of them at once by tapping “Close all”.

Put Unused Apps to Sleep: Some apps constantly run in the background and refresh to keep their content, which ultimately uses CPU and RAM.

Put these apps to sleep for better performance. To do this, open Settings > Apps > Choose the app to put on sleep > Battery > Background restrictions > Put unused apps to sleep.

Disable or Uninstall Resource Hungry Apps: Some apps might still run in the background even after closing them. So, make sure to disable those apps when not in use or uninstall it.

Cause 4: Overheating

An overheating device cannot provide its optimum performance and the CPU may fluctuate if temperature starts to rise high.

You have often seen that a device overheats when it draws its full potential, which eventually leads to a laggy experience.

So, keep the temperatures maintained so that your device can perform to its fullest without fluctuating or throttling.

Things that can lead to overheating:

Long Gaming Sessions: The phone often overheats when playing games on high graphics and for a long time without breaks.

Using Phone in Direct Sunlight: Using the phone in hot environments or direct sunlight can cause overheating issues.

Intense Multitasking: Running too many apps and tasks at once can also cause overheating problems.

Using Device on Charging: Using your device on charging not only affects the battery life but also increases the temperature.

To avoid overheating and ensure peak performance, consider these tips:

Remove Overprotective Case during Gaming: While playing games, remove the overprotective case so that it can cool down quickly.

Avoid Using Phone while Charing: As we mentioned using the phone while charging can heat the device, so try to avoid it.

Close Unnecessary Apps: While multitasking, make sure to not open too many apps at once or close the apps that are not in use.

Reason 5: Unorganized Home Screen and App Drawer

An unorganized home screen or using too many unnecessary widgets can also impact the overall performance of the device.

But you might wonder how. Well, the CPU needs to load those widgets and the unorganized apps on the home screen, which can slow down the overall performance.

Optimize your device and organize the apps by following these tips:

Make Folders for Same Category Apps: You should make folders for those apps with the same category. For example, health or fitness apps and games.

Delete Unnecessary Widgets: Remove those widgets that you don’t use often or if it’s just for décor.

Bottom Line

You have reached the end of this guide, we have gathered all the important tips, reasons, and things that are needed to optimize Samsung S25 performance.

Make sure you use your Samsung S25 at its full potential without affecting its life.

If you are facing any other issue on your Samsung Galaxy S25, go through our guides to know its potential fixes.