Why is my phone slowing down and how can I speed it up?

Last Update date : Sep 23. 2021

Smartphones may slow down, freeze or crash for various reasons. The likely culprits are full storage space and outdated software. Here are some tips to try to get your phone back up to working order.


  • Screen images and menu items may vary depending on your model and software version.
Check your storage space on the device and delete unnecessary files

Freeing up some storage can make your phone perform better. Remove files and apps that need clearing out by using Device care.

Step 1. Go to Settings, then tap Battery and device care

Step 2. Tap Storage

Step 3. Check your storage space and select files and apps that you want to delete. Clear them out from your phone.


  • If you don't see a delete/uninstall option, the files/apps are required by the operating system and safe to keep.
Close unused apps

Device speed can slow when apps are running in the background. Keep your device in optimal running condition with Optimization.

Step 1. Go to Settings, then tap Battery and device care

Step 2. Tap Memory

Step 3. Click the Clean now button to free up memory


Only want to close certain apps?

Go to "Memory" and tap "Apps not used recently." Then select the apps you would like to "Force stop."


Add the Device care widget and easily optimize your phone

Get the most out of your phone with the Device care widget. Simply tap the "Optimize" button on the widget's home screen to start freeing up space.


Diagnostics with Samsung Members

Press the Samsung Members app and tab "Diagnostics" to instantly start or tab "Get help" and select "Diagnostics."
Then you can check the device status and how to take action.
To learn more about Samsung Members, click here.

Check to see if your software is up to date

Updating your software to the latest version can help improve your phone's performance as it increases compatibility and provides bug fixes as well as security patches.

To check for software updates, go to "Settings" and tap "Software update." Then, tap "Download and install."

Check your software version

Step 1. Go to Settings and tap About phone

Step 2. Tap Software information

Step 3. Check your device's current software version

Update your software

Step 1. Go to Settings and tap Software update

Step 2. Select Download and install

Step 3. Let your software update to the latest version


Having issues with a specific app?

Go to the app and tap "ⓘ." Select "App details in store" and click the "Update" button to install the latest version.

Turn your phone off and back on again

Restarting your phone is a simple way to clean up any unused app running in the background and speed things up.

Automatically restart your phone periodically with "Auto restart." See how to set it up below.

Step 1. Go to Settings and tap Battery and device care

Step 2. Tap the three-dot menu on the top right and click Automation

Step 3. Tap Auto restart at set times

Step 4. Select the restart day under Schedule and go to Time to set the automatic restart time to complete the setup

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