"My iPhone has been lagging a lot ever since I updated to iOS 18, the smoothness is gone, anybody else's iPhone kører langsomt?" Muck like other digital devices, an iPhone will become slower and slower as time goes by. While an iPhone is an advanced smartphone that delivers a smooth experience, the performance is not always excellent. This article explains how to fix this issue and let your device run smoothly again.

Part 1: Why iPhone Runs Slow

There are lots of reasons why is your iPhone so slow. Before fixing this problem, you'd better understand why it happens on your device. Here are some of the most common reasons below:

1. Malware and other junk files are clogging up storage space.

2. Your software is outdated.

3. The internet connectivity is poor or your iPhone connects to a weak Wi-Fi signal.

4. Your iPhone settings aren't optimized.

5. Your iPhone battery is deteriorating.

Part 2: How to Fix a Slow iPhone

Løsning 1: Genstart iPhone

Although restarting an iPhone is simple, it can help with iPhone speed and improve performance. After the iPhone restarts, the background apps will be closed, releasing more free space.

Trin 1 Tryk og hold på Side or Vågeblus til / knappen, indtil sluk-skærmen vises.

Trin 2 Move the slider to the right side and wait for your iPhone screen to become black.

Trin 3 Tryk derefter længe på Side or Vågeblus til / , indtil Apple-logoet vises.

Løsning 2: Ryd cache

If your iPhone or iPad is running slow when using Safari, you need to clear the iPhone cache, remove browsing data, and delete cookies. Bear in mind that it may take a longer time to reload a website after clearing the cache.

Trin 1 Gå til Indstillinger app fra din startskærm.

Trin 2 Vælg den Apps Fanebladet og vælg Safari.

Trin 3 Tryk på Ryd historik og webside data. Tryk derefter på Ryd historie og data på advarselsboksen for at bekræfte handlingen.

Løsning 3: Opdater software og apps

It is always a good idea to keep your iOS up to date since Apple fix various bugs in updates. If your iPhone runs slower and slower, you will need to update software and apps on your device immediately.

Trin 1 Åbne Indstillinger ca.

Trin 2 Vælg Generelt og tryk på softwareopdatering for at søge efter tilgængelige opdateringer.

Trin 3 If one is available, tap the Hent og installer button and follow the prompts to update the software.

Trin 4 Tilbage til Indstillinger skærm, vælg App Store, og slå til App Opdateringer. Then, the App Store will update your apps automatically.

Solution 4: Enable Reduce Motion

While the iPhone doesn't have a lot of graphic settings, you can fix the iPhone's running slow by enabling Reduce Motion. That can reduce the work the CPU puts into displaying fancy graphics and make your iPhone run faster.

Trin 1 Gå til Tilgængelighed fane i din Indstillinger ca.

Trin 2 Tryk på Skærm og tekststørrelse, og slå til Reducer Gennemsigtighed.

Trin 3 Back to the previous screen, tap Motion, og slå til Reducer Motion.

Løsning 5: Deaktiver Background App Refresh

Even if you close apps on your iPhone, they still run in the background. You can receive notifications and messages. However, they use your memory and CPU. As a result, they slow down your device. You can stop the app from refreshing in the background.

Trin 1 Gå til Generelt fane i din Indstillinger ca.

Trin 2 Tryk på Baggrund App Refresh.

Trin 3 Sluk for Baggrund App Refresh valgmulighed.

Solution 6: Fix Software Issue

If the solutions above are unavailable, you need a powerful system repair tool. For instance, Apeaksoft iOS System Recovery can automatically detect software glitches automatically, and you can fix them quickly.

Here are the steps to fix an iPhone running slow:

Trin 1 Scan din iPhone

Launch the best iOS system repair tool after installing it on your PC. There is another version for Mac. Choose iOS System Recovery, and connect your iPhone to your PC with a Lightning cable. Click the Starten button to scan software glitches.

Trin 2 Vælg en tilstand

Klik på knappen Gratis hurtig fix link to fix your issue. If invalid, click Fix og vælg Standard tilstand or Avanceret tilstand. Klik på Bekræfte knappen for at fortsætte.

Trin 3 Fix the iPhone running slow

Check and confirm your device information and download the necessary firmware. When the download is completed, the software will fix your software glitches immediately.

Part 3: How to Fix a Slow iPhone by Factory Reset

The ultimate solution to fix an iPhone running slow is factory resetting. However, if your screen slows and freezes, you'd better use Apeaksoft iPhone Eraser to complete the job. It enables you to erase any iOS device without restrictions.

How to Fix a Slow iPhone by Factory Reset

Trin 1 Tilslut til din iPhone

Install the best iPhone eraser on your computer and open it. Plug your iPhone into your computer with a USB cable. Once your device is detected, click Slet alle data.

Trin 2 Vælg et niveau

Now, you will see three erasing levels, Lav, Mellemøstenog Høj. Select a proper level according to your situation.

Trin 3 Fabriksindstil din iPhone

Endelig skal du klikke på Starten button to begin factory resetting your iPhone. It may take a while. When it finishes, your iPhone will restart and display the Hello screen.

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