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Android Phone Slow After Update? 12 Safe Fixes

18 min read
Is your Android phone slow after a system update? Follow these 12 safe fixes to improve performance, reduce lag, update apps, free storage and troubleshoot problem apps.
Woman looking frustrated while checking a slow Android phone after an update

A phone that feels slow after an update is often affected by background activity, outdated apps, low storage, or app conflicts.

Last updated: June 2026 ✅

Updating your Android phone should make it more secure, stable, and compatible with newer apps. But sometimes, after installing a system update, your phone may suddenly feel slower than before.

Apps may take longer to open. The keyboard may lag. Scrolling may feel less smooth. The battery may drain faster. The phone may heat up more easily. Notifications may arrive late. Even simple actions, like opening Settings or switching between apps, may feel delayed.

If your Android phone is slow after an update, do not panic. In many cases, this slowdown is temporary or caused by apps, storage, background syncing, battery settings, cached data, or an update that needs a little time to settle. You usually do not need to factory reset your phone right away.

This guide explains safe fixes you can try step by step. Start with the simple solutions first, then move to deeper troubleshooting if your Android phone is still slow after a day or two.


Quick Answer: How to Fix an Android Phone Slow After Update

If your Android phone became slow after a system update, try these fixes first:

  1. Restart your phone.
  2. Give the update time to finish background optimization.
  3. Update all apps from the Google Play Store.
  4. Free up storage space.
  5. Close apps you are not using.
  6. Clear cache for slow or buggy apps.
  7. Check battery and background restrictions.
  8. Remove recently installed or problematic apps.
  9. Turn off unnecessary animations or heavy visual effects.
  10. Check for another system update.
  11. Test the phone in Safe Mode.
  12. Reset settings or factory reset only as a last option.

Most slowdowns after an update can be improved without deleting your photos, videos, messages, or personal files.


Problem, Cause and Fix: Quick Troubleshooting Table

ProblemPossible CauseBest Fix
Phone feels slow right after updateBackground optimization and syncingWait a few hours, restart, and update apps
Apps open slowlyOutdated apps or cached dataUpdate apps and clear cache for affected apps
Phone lags when typingKeyboard app issue or low memoryUpdate keyboard app and restart phone
Scrolling feels choppyBackground tasks or animation loadRestart and reduce animations if needed
Battery drains faster after updateApps syncing or background activityCheck battery usage and app restrictions
Phone gets warm and slowHeavy background processesLet it cool down and close unused apps
Storage almost fullLow available storageFree up space and remove unused apps
One app is very slowApp compatibility issueUpdate, clear cache, or reinstall that app
All apps are slowSystem-level issue or low storageRestart, update apps, check storage, Safe Mode
Phone still slow after daysBuggy app, system issue, or old hardwareSafe Mode, reset settings, or contact support

Why Your Android Phone May Be Slow After an Update

A slow phone after an Android update does not always mean the update “ruined” the device. Several normal things can happen after a major system update.

Your phone may need time to optimize apps for the new version. Apps may update in the background. Photos, files, cloud backups, widgets, and system services may resync. Some apps may not yet be fully optimized for the newest Android version. Your phone may also rebuild temporary files and background settings.

If your storage is nearly full, the problem can feel worse. Android needs free space to run smoothly, update apps, manage temporary files, and keep background processes stable.

In other cases, a specific app may be causing the slowdown. This is common after updates because older apps may not behave well with a new system version until they are updated.

The safest approach is to troubleshoot in order. Do not rush into a factory reset. Try the simple fixes first.


1. Restart Your Android Phone

The first fix is also one of the most effective: restart your phone.

After a system update, many background services, apps, widgets, and system processes may still be adjusting. A restart can refresh memory, close stuck processes, and help Android load the updated system more cleanly.

To restart your Android phone:

  1. Press and hold the power button.
  2. Tap Restart.
  3. Wait for the phone to turn back on.
  4. Use it normally for a few minutes.
  5. Check if performance improves.

On some Android phones, you may need to press the power button and volume up button together to open the power menu.

If your phone is frozen or very slow, hold the power button for about 20 to 30 seconds until it restarts.

A restart will not delete your files. It is safe and should always be the first step.

Woman restarting an Android phone in a living room
Restarting your phone is one of the safest and most effective first steps after a slow update.

2. Give the Update Time to Settle

If your phone is slow immediately after installing a major Android update, give it some time before making big changes.

After an update, your phone may be doing background work such as:

  • Updating system components
  • Optimizing installed apps
  • Rebuilding app cache
  • Syncing photos and files
  • Updating Google Play services
  • Refreshing widgets
  • Reindexing media or search data
  • Downloading app updates
  • Restoring background settings

During this period, the phone may feel warmer, slower, or less responsive than usual.

What you should do:

  1. Keep your phone charged.
  2. Connect to a stable Wi-Fi network.
  3. Let app updates finish.
  4. Avoid heavy gaming or video editing for a while.
  5. Restart the phone after a few hours.
  6. Check performance again the next day.

If the phone is only slightly slow right after the update, waiting may be enough. But if it remains very slow after 24 to 48 hours, continue with the fixes below.


3. Update All Apps from the Google Play Store

After an Android update, some apps may need updates to work properly with the new system version. Outdated apps can cause lag, crashes, battery drain, overheating, or background problems.

To update your apps:

  1. Open the Google Play Store.
  2. Tap your profile icon.
  3. Tap Manage apps & device.
  4. Tap Updates available.
  5. Tap Update all.

After updating apps, restart your phone again.

This is especially important for:

  • Keyboard apps
  • Launchers
  • Messaging apps
  • Social media apps
  • Banking apps
  • Antivirus or security apps
  • Smartwatch apps
  • Cloud storage apps
  • Photo backup apps
  • Browsers
  • Games

If one app is causing most of the slowdown, updating it may fix the issue.

Woman checking app updates on an Android phone at a café table
Updating apps after a system update can fix compatibility problems, lag, and strange behavior.

4. Free Up Storage Space

Low storage is one of the most common reasons an Android phone becomes slow after an update.

System updates need space. Apps need space. Cache files need space. Android also needs free storage to manage temporary files and background tasks. If your phone has very little space left, performance can drop.

To check storage:

  1. Open Settings.
  2. Tap Storage.
  3. Check how much space is available.

If storage is almost full, try these safe actions:

  • Delete duplicate downloads.
  • Remove old screenshots.
  • Delete large videos you no longer need.
  • Move photos and videos to cloud storage or a computer.
  • Uninstall apps you do not use.
  • Clear cache from large apps.
  • Empty trash folders in gallery or file manager apps.
  • Remove offline videos, podcasts, or music downloads.

Be careful with cleaning apps that promise one-tap speed boosts. Many of them delete useful cache, show ads, or run constantly in the background.

A good goal is to keep at least several gigabytes free if possible. The more free space your phone has, the easier it is for Android to run smoothly.

Woman checking Android storage usage on her phone
Low storage can make an Android phone feel slower, especially after a major update.

5. Close Apps You Are Not Using

After an update, some apps may reopen in the background, resync data, or use more memory than usual.

You do not need to constantly close every app, but closing heavy apps can help if your phone is temporarily slow.

Try closing:

  • Games
  • Video editors
  • Camera apps
  • Social media apps
  • Shopping apps
  • Navigation apps
  • Browser tabs
  • Cloud backup apps
  • Streaming apps

To close recent apps:

  1. Open the recent apps screen.
  2. Swipe away apps you are not using.
  3. Restart the phone if performance still feels slow.

If one app keeps slowing down the phone, force stop it temporarily:

  1. Open Settings.
  2. Tap Apps.
  3. Select the app.
  4. Tap Force stop.

Only force stop apps you recognize. Avoid force stopping important system apps unless you know what they do.


6. Clear Cache for Slow or Buggy Apps

If only one or two apps became slow after the update, the problem may be app cache. Cache is temporary data that helps apps load faster, but sometimes old cache can cause problems after a system update.

To clear an app’s cache:

  1. Open Settings.
  2. Tap Apps.
  3. Select the slow app.
  4. Tap Storage & cache.
  5. Tap Clear cache.
  6. Open the app again.

Clearing cache does not usually delete your login, account, messages, or personal files. It removes temporary data.

Good apps to check include:

  • Browser
  • Keyboard
  • Camera
  • Gallery
  • Social media apps
  • Messaging apps
  • Google Play Store
  • Streaming apps
  • Navigation apps

Do not tap Clear storage unless you understand what it does. Clearing storage can delete app data, settings, downloads, or offline content.

Woman clearing app cache on an Android phone
Clearing cache can help fix apps that became slow or buggy after an Android update.

7. Check Battery Usage and Background Activity

After an update, some apps may run more in the background than usual. This can make the phone feel slow, warm, or laggy.

To check battery usage:

  1. Open Settings.
  2. Tap Battery.
  3. Tap Battery usage.
  4. Look for apps using unusually high battery.

If one app is using too much battery and the phone is slow, try:

  • Updating the app
  • Clearing the app cache
  • Force stopping the app
  • Restricting background battery use
  • Uninstalling the app temporarily
  • Reinstalling the app if needed

Be careful when restricting apps that need background activity, such as messaging, email, smartwatch, health, or navigation apps. Restricting them may delay notifications or syncing.

If a game, shopping app, social media app, or rarely used app is draining battery in the background, restricting it may improve performance.


Woman checking battery usage and background app activity on Android
Apps running heavily in the background can slow your phone and drain battery after an update.

8. Remove Recently Installed or Problematic Apps

Sometimes the update is not the real problem. A recently installed app may be causing the slowdown, especially if it runs in the background, shows overlays, monitors notifications, uses accessibility permissions, or constantly syncs data.

Think about apps you installed or updated recently.

Problematic apps can include:

  • Battery saver apps
  • Phone cleaner apps
  • Antivirus apps
  • VPN apps
  • Screen filter apps
  • Launchers
  • Keyboard apps
  • Lock screen apps
  • Floating widget apps
  • Unknown APKs from outside the Play Store

To uninstall an app:

  1. Open Settings.
  2. Tap Apps.
  3. Select the app.
  4. Tap Uninstall.

After uninstalling, restart the phone and check performance.

If the phone becomes faster, the app was likely part of the problem.


9. Reduce Animations and Heavy Visual Effects

Some phones feel slower after an update because animations, transitions, or launcher effects become heavier.

You can reduce animations to make the phone feel faster.

On many Android phones:

  1. Open Settings.
  2. Tap Accessibility.
  3. Look for Color and motion or Animation settings.
  4. Turn on Remove animations if available.

You can also check your launcher settings. Some launchers have effects such as:

  • Heavy transitions
  • Live wallpapers
  • Animated widgets
  • Icon animations
  • Search animations
  • App drawer effects

Try switching to a simple wallpaper and removing unnecessary widgets from your home screen.

This does not truly increase hardware power, but it can make the phone feel more responsive.


10. Check for Another System Update

If your phone became slow after an update, the manufacturer may release another update to fix bugs. This is especially common after major Android version updates.

To check for updates:

  1. Open Settings.
  2. Tap System.
  3. Tap Software update or System update.
  4. Install any available update.
  5. Restart your phone.

Also check for Google Play system updates if your phone has that option:

  1. Open Settings.
  2. Tap Security & privacy.
  3. Tap Updates.
  4. Check Google Play system update.

Menu names may vary depending on your phone brand.

Keeping the phone updated is important because performance bugs, app compatibility issues, and system stability problems may be fixed in later patches.


11. Test the Phone in Safe Mode

Safe Mode is useful when you suspect a downloaded app is making your Android phone slow.

In Safe Mode, Android runs with only essential system apps. Downloaded apps are temporarily disabled. If your phone becomes faster in Safe Mode, a third-party app is probably causing the problem.

To enter Safe Mode on many Android phones:

  1. Press and hold the power button.
  2. Touch and hold Power off.
  3. Tap OK when Safe Mode appears.
  4. Wait for the phone to restart.
  5. Use the phone normally for a few minutes.

If the phone is faster in Safe Mode, restart normally and remove recently installed or suspicious apps one by one.

Start with apps that control:

  • Battery
  • Cleaning
  • Security
  • VPN
  • Keyboard
  • Launcher
  • Notifications
  • Screen filters
  • Accessibility features
  • Background syncing

After removing each app, restart the phone and test performance.

Safe Mode does not delete your data. It is a troubleshooting tool.

Woman testing an Android phone in Safe Mode
Safe Mode can help you discover whether a third-party app is causing your phone to slow down.

12. Reset Settings or Factory Reset Only as a Last Option

If nothing else works, you may need a stronger reset option. But do not start here.

First, check whether your phone has a reset option for settings only. Depending on your device, you may see options like:

  • Reset app preferences
  • Reset Wi-Fi, mobile & Bluetooth
  • Reset all settings
  • Reset accessibility settings

These options are less drastic than a factory reset.

A factory reset should be the final step because it erases the phone and removes apps, settings, and local data. Before doing a factory reset, back up your photos, videos, files, WhatsApp messages, authenticator apps, and important accounts.

Before factory reset, try:

  1. Restarting the phone
  2. Updating all apps
  3. Freeing storage
  4. Clearing cache for slow apps
  5. Removing problematic apps
  6. Testing Safe Mode
  7. Installing available system updates
  8. Resetting settings

Only consider factory reset if the phone is still extremely slow after all safer fixes.


Extra Fix: Check Heat and Charging Behavior

If your phone is slow after an update and also gets hot, the slowdown may be related to heat. Phones can reduce performance when they become too warm.

Try this:

  • Remove the case temporarily.
  • Avoid gaming while charging.
  • Keep the phone out of direct sunlight.
  • Use a trusted charger.
  • Let the phone cool before testing performance.
  • Check battery usage for apps running heavily in the background.

If the phone is always hot even when idle, contact manufacturer support.


Extra Fix: Check Your Home Screen Widgets

Widgets can be useful, but too many widgets may slow down older phones, especially after an update.

Check widgets such as:

  • Weather widgets
  • Calendar widgets
  • News widgets
  • Social media widgets
  • Battery widgets
  • Clock widgets
  • Email widgets
  • Photo widgets

Remove widgets you do not need:

  1. Touch and hold the widget.
  2. Drag it to Remove.
  3. Restart the phone.
  4. Check performance again.

This can help older or budget Android phones feel smoother.


Extra Fix: Check Your Keyboard

If your phone feels slow mainly when typing, the issue may be your keyboard app.

Try this:

  1. Update your keyboard app.
  2. Clear the keyboard app cache.
  3. Disable heavy keyboard themes.
  4. Turn off unnecessary clipboard features.
  5. Switch temporarily to another keyboard.
  6. Restart the phone.

Keyboard lag can make the whole phone feel slow, even if the rest of the system is working normally.


What Not to Do When Your Android Phone Is Slow After Update

Avoid these mistakes.

Do not install random cleaner apps

Many cleaner apps promise to speed up your phone, but they may show ads, request unnecessary permissions, or run in the background. Android already includes storage and battery tools.

Do not factory reset immediately

A factory reset is sometimes useful, but it should be a last option. Try safer steps first.

Do not delete important folders blindly

Do not delete system folders, app folders, or unknown files unless you know what they are. You may lose app data or downloads.

Do not download APKs from suspicious websites

If an app is slow after an update, wait for an official update from the Play Store. Installing random APKs can create security and performance problems.

Do not ignore storage warnings

If your phone is almost full, performance problems are more likely. Free up space before trying advanced fixes.

Do not assume the update is the only cause

The timing may make it look like the update caused everything, but a third-party app, full storage, battery drain, or background sync may be the real reason.


When Should You Contact Support?

Contact your phone manufacturer or carrier if:

  • The phone is still extremely slow after several days.
  • It freezes frequently.
  • It restarts by itself.
  • It overheats even when idle.
  • Bluetooth, Wi-Fi, camera, or mobile data stopped working after the update.
  • Safe Mode is still slow.
  • Storage is not full, but performance remains poor.
  • A factory reset does not help.
  • The phone is still under warranty.

Before contacting support, write down:

  • Phone model
  • Android version
  • Update date
  • Available storage
  • Apps that feel slow
  • Whether Safe Mode improves performance
  • Whether the phone overheats
  • Whether the issue started immediately after the update

This information makes support easier and faster.


Best Fix Order: What You Should Try First

Use this safe order:

  1. Restart your phone.
  2. Wait a few hours after the update.
  3. Update all apps.
  4. Free up storage.
  5. Close unused apps.
  6. Clear cache for slow apps.
  7. Check battery usage.
  8. Remove suspicious or recently installed apps.
  9. Reduce animations and heavy visual effects.
  10. Check for another system update.
  11. Test Safe Mode.
  12. Reset settings or factory reset only as a last option.

This order protects your data and avoids unnecessary drastic steps.


FAQ: Android Phone Slow After Update

Why is my Android phone slow after an update?

Your Android phone may be slow after an update because apps are still optimizing, background syncing is running, storage is low, apps need updates, cached data is outdated, or a third-party app is not working well with the new Android version.

How long should I wait after an Android update?

If the phone is only slightly slow, wait a few hours and restart it. For major updates, performance may feel different for a day while apps update and background tasks finish. If the phone is still very slow after 24 to 48 hours, start deeper troubleshooting.

Will restarting my phone fix update lag?

Restarting can fix temporary lag after an update by refreshing memory, closing stuck processes, and reloading system services. It is safe and should be one of the first things you try.

Should I update my apps after an Android update?

Yes. Updating apps after an Android update is important because older app versions may not work smoothly with the new system. Open the Google Play Store and update all available apps.

Can low storage make my Android phone slow?

Yes. Low storage can make Android slower because the system needs free space for temporary files, updates, cache, and background processes. Freeing storage can improve performance.

Is it safe to clear app cache?

Yes. Clearing app cache is usually safe because it removes temporary files. It does not usually delete your account or personal files. However, clearing app storage is different and may delete app data.

What is Safe Mode on Android?

Safe Mode starts Android with only essential system apps. Downloaded apps are temporarily disabled. If your phone is faster in Safe Mode, a third-party app is likely causing the slowdown.

Should I factory reset my phone if it is slow after an update?

A factory reset should be the last option. Try restarting, updating apps, freeing storage, clearing cache, removing problematic apps, checking Safe Mode, and installing system updates first. Back up your data before any factory reset.


Final Thoughts

If your Android phone is slow after an update, start with safe fixes. Restart the phone, give the update time to settle, update your apps, free up storage, close unused apps, and clear cache for apps that feel slow.

If the problem continues, check battery usage, remove suspicious apps, reduce animations, install any available system patches, and test Safe Mode. These steps can solve many performance problems without deleting your personal files.

Only consider a factory reset after you have tried the safer options and backed up your data.

A slow Android phone after an update is annoying, but it is often fixable. Follow the steps in order and avoid risky shortcuts. In most cases, your phone can become smoother again without replacing the device.



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