Roman Kropachek Photo
Written by:

Last update on

Tips to Fix a Slow iPhone

Tips to Fix a Slow iPhone

iPhones are known for their seamless performance, but even these powerful devices can occasionally slow down. You might find yourself asking, ‘why is my iPhone so slow?’ This issue can be frustrating, especially when you rely on your iPhone for various daily activities. Fortunately, there are several methods to get your iPhone back to its optimal speed. From clearing cache and unused apps to updating your iOS or even resetting the device, I’ve explored multiple ways to speed up my own iPhone. Let me guide you through these proven techniques to make your iPhone run faster.


Common Scenarios:

Outdated iOS Version 📱

  • An older iOS version can be a significant reason why your iPhone is sluggish.
  • Features may be unsupported and security patches could be missing, affecting overall performance.
  • New updates often come with performance enhancements that can make your device run smoother.

Full Storage Space 🚨

  • Full storage space can heavily impact the performance of your iPhone.
  • Your device needs some free space to perform tasks efficiently. When it’s full, your iPhone may slow down significantly.
  • Clearing unused apps and media files can help free up space and relighten the load on your device.

Too Many Background Applications 💤

  • Running multiple applications in the background can slow down your iPhone.
  • Each app consumes memory, and too many open apps can lead to performance deterioration.
  • Closing unused apps can help boost your device’s speed.

Step-by-Step Guide. Why Is My Iphone So Slow:

Method 1: Update iOS 🆙

  • Open the Settings app on your iPhone and tap on General.
  • Go to Software Update.
  • If an update is available, tap Download and Install.
  • Ensure your device is connected to Wi-Fi and has sufficient battery life.
  • Follow the prompts to complete the update.

Note: Keeping your iOS updated ensures that you benefit from the latest performance enhancements and security updates.

Conclusion: Regularly updating your iOS can prevent many performance-related issues.

Method 2: Free Up Storage Space 📂

  • Open the Settings app and go to General, then tap iPhone Storage.
  • Review the list of apps and media taking up the most space.
  • Tap on apps you no longer use and select Offload App to free up space.
  • Remove unnecessary media files like old photos, videos, and large attachments.
  • Consider using cloud storage services for backup.

Note: Periodically reviewing and managing your storage helps maintain optimal performance.

Conclusion: Freeing up storage space significantly improves your iPhone’s speed.

Method 3: Clear Safari Cache 🗑

  • Open the Settings app and scroll to Safari.
  • Scroll down and tap Clear History and Website Data.
  • Confirm by tapping Clear History and Data.
  • This will remove your cached data, which can significantly speed up Safari.

Note: Remember that clearing your cache will log you out of websites and remove cookies.

Conclusion: Periodically clearing your Safari cache helps Safari run faster and smoother.

Method 4: Restart Your iPhone 🔄

  • Press and hold either volume button along with the side button until the power-off slider appears.
  • Drag the slider from left to right to turn off your iPhone.
  • Wait a few seconds, then press and hold the side button until the Apple logo appears.
  • Allow your device to restart completely.

Note: Restarting your iPhone clears temporary glitches and can significantly improve performance.

Conclusion: Regularly restarting your iPhone can help keep it running smoothly.

Method 5: Disable Background App Refresh 🚫

  • Open the Settings app and go to General.
  • Tap on Background App Refresh.
  • Select Off or Wi-Fi only.
  • Restrict background app refresh for apps you don’t frequently use.
  • This action will free up resources and improve your iPhone‘s performance.

Note: Limiting background app refresh conserves both battery life and data.

Conclusion: Disabling background app refresh for non-essential apps can materially increase your device’s speed.

Method 6: Reset All Settings 🔧

  • Open the Settings app and go to General, then tap Reset.
  • Choose Reset All Settings.
  • Enter your passcode if prompted.
  • Confirm by tapping Reset All Settings again.
  • Your settings will be reset, but no data or media will be deleted.

Note: This method can help if you’re experiencing persistent performance issues.

Conclusion: Restoring settings to default can fix many software-based issues without risk to your personal data.

Method 7: Use a Cleaner App 🧹

  • Go to the App Store on your iPhone.
  • Search for a reputable iPhone cleaner app.
  • Download and install the cleaner app.
  • Open the app and follow the onscreen instructions to clean junk files and optimize your device.
  • Cleaner apps can help free up significant storage space and improve performance.

Note: Be cautious when selecting a cleaner app, as some may come with hidden charges or unwanted features.

Conclusion: Using a cleaner app can be a quick way to enhance your iPhone’s performance. For the best options, you can find the best iphone cleaner apps here (Article on InsanelyMac).

Method 8: Reduce Motion Effects 🎢

  • Open the Settings app and go to Accessibility.
  • Select Motion and then enable Reduce Motion.
  • This reduces the animation effects on your iPhone.
  • Less animation means less strain on system resources.
  • Your device should feel snappier and more responsive.

Note: Reducing motion effects may give your iPhone a different feel, but it can significantly improve performance.

Conclusion: Disabling motion effects can provide a noticeable boost in speed, particularly on older iPhone models.


Watch on Youtube: Tips to Fix a Slow iPhone


Precautions and Tips:

Optimize Your iPhone Experience 📈

  • Regularly clear cache and remove unnecessary files to keep your iPhone running smoothly.
  • Be mindful of the number of apps running in the background, as they can drain both battery and performance.
  • Make it a habit to check for iOS updates and install them promptly.
  • Utilize the iCloud for backups to free up space on your device.
  • Keeping your phone settings optimized can go a long way in maintaining its performance.

Maintain Regular Backups 🗄

  • Regularly back up your iPhone to iCloud or your computer to ensure that you don’t lose precious data.
  • Backups can also make it easier to factory reset your device without fear of losing important information.
  • Having recent backups can speed up the process of restoring your iPhone to its original state.

Helpful Resources

For more tips on how to optimize your iPhone, you might find these additional resources helpful. For more in-depth information about iOS updates, visit the official Apple Support iOS page. If you need a deeper dive into how to clean out files and maximize storage, the article How to Free Up Space on an iPhone on MacWorld offers a comprehensive guide.

For those utilizing their iPhones for work and requiring high productivity, the guidelines in the Forbes Article on Optimizing Mobile Devices for Maximum Productivity provide valuable insights.

Lastly, if you’re keen on understanding the health of your iPhone’s battery and its impact on performance, consider reading Wired’s Guide on Restoring Battery Life. This can be particularly useful in diagnosing if a degraded battery is the cause of your slow iPhone.


iPhones are sophisticated pieces of technology, but like all devices, they require regular maintenance to stay in top shape. By following the steps above and making use of the excellent resources provided, you can easily speed up a slow iPhone. Regularly updating your iOS, managing storage, and being mindful of your device settings can significantly enhance your iPhone experience. With a little bit of effort, you can ensure that your iPhone continues to operate quickly and efficiently for years to come.


Low storage space can significantly affect your iPhone's performance. Consider deleting unused apps, photos, and videos to free up space.

Too many apps running in the background can drain resources. Double-click the Home button or swipe up on newer models to close unnecessary apps.

Outdated software might cause your iPhone to lag. Check for and install any available updates by going to Settings > General > Software Update.

An aging battery can lead to throttled performance. Consider checking the battery health in Settings > Battery > Battery Health, and possibly replacing it.

A slow internet connection might make apps and websites lag. Try switching to a different WiFi network or use cellular data as a test.

Restoring to factory settings can resolve persistent issues but will erase all data, so backup first. Navigate to Settings > General > Reset > Erase All Content and Settings.

Excessive notifications can consume system resources. Manage them by going to Settings > Notifications and turning off those you don't need.

Old photos and videos can occupy large amounts of space. Regularly transferring them to your computer or cloud storage helps to maintain speed.

Too many widgets running on your Home screen can slow down your iPhone. Remove unnecessary widgets by pressing and holding them and then tapping Remove Widget.

Automatic updates can run in the background, using resources. Disable them by going to Settings > App Store and turning off the toggles for updates. For more details on troubleshooting, you can visit Apple Support or another relevant resource like Verizon Support.