How to Fix iPhone 12 Becomes Extremely Laggy

If the iPhone 12 becomes extremely laggy, it will definitely affect your overall experience. This is the case where most of the iPhone 12 users are experiencing today. Let us find out how we can address this issue by reading the whole contents of this article. 

How to Address iPhone 12 That is Extremely Laggy

Poor RAM management could cause the performance of your iPhone to go laggy and sometimes unresponsive. This is due to the system having a hard time in coping up with the task being thrown to it. Playing intensive games and opening multiple apps at the same time could often result in a laggy performance on the device. 

Learn about the procedures that should help in rectifying an iPhone 12 that becomes extremely laggy below. 

First Solution: Close Background Apps and Force Restart the iPhone 12

iPhones are very well-known for their excellent RAM management. That includes keeping the apps opened in the background. However, if the apps are being kept running for an extended period, they might encounter glitches that would result in accentuated system lags and poor performance. Close these running background apps every time you use them to free some RAM on your iPhone 12.

  1. Swipe your finger up and then pause from the Home screen.
  2. Swipe left or right to navigate through the apps preview. 
  3. Then swipe up on each app’s preview to close individual background apps. 

Restarting the device is also a must if it becomes extremely laggy. This process should help in killing those system bugs that causes the poor RAM performance by refreshing the whole phone system. 

  1. Press and release the Volume Up button quickly.
  2. Press and release the Volume Down button quickly. 
  3. Lastly, press and hold the Side button for a few seconds until you see the Apple logo.

After restarting the device, use it as normal and check the performance if it is still extremely laggy. 

Second Solution: Check for iOS Update on iPhone 12

Software updates will not only address certain bugs, but will also provide system improvements and enhance security measures. Your iPhone might experience lagging issues if the iOS is outdated as it can be attacked by glitches easily. Try to check for a software update on your phone by following these steps: 

  1. Access Settings from the Home screen. 
  2. Go to and select General.
  3. Tap on Software Update.
  4. Wait for the “Checking for Update” prompt to complete. 
  5. If there’s an available software update, read its description. Tap on Download and Install to apply the update on your device. 

If you are able to install a software update, restart your phone and check if the performance problem has been addressed. 

Third Solution: Update Apps on iPhone 12

Aside from updating your phone’s software, it is also necessary to update the apps. As you might know or not know, apps play an important role in your phone’s performance. Third-party apps that are installed on your phone might have gone rogue and they contribute to the extremely laggy performance of your iPhone 12. 

  1. From the Home screen, tap on the App Store to open it. 
  2. Tap on Today tab at the bottom-left corner. 
  3. Then tap on the user profile icon on the top right corner of the screen. 
  4. You should see the account details. 
  5. Scroll down to the Available Updates section. 
  6. Tap on Update next to the app to update individual apps.
  7. Tap on Update All to update all apps simultaneously. 

Restart your iPhone 12 once updates are installed to implement changes and refresh the phone’s system. Then check if the phone’s performance has resumed to normal. 

Fourth Solution: Factory Reset your iPhone 12

An extremely laggy iPhone could be due to several app glitches or some invalid settings that are installed on the device. Since it is hard to determine which of them are not working properly, it might be a good idea to perform a holistic cleansing on the phone through a master reset. Just secure a backup first prior to proceeding with the main procedure.

To create a backup via iTunes:

  1. Prepare a Mac or Windows computer with the latest iTunes installed.
  2. Connect your iPhone to the computer using the Apple-supplied USB/lightning cable. 
  3. Open iTunes on your computer. Then allow iTunes to sync with your iPhone and backup files.

Here’s how you can factory reset the iPhone 12:

  1. Access Settings from the Home screen. 
  2. Tap General.
  3. Scroll down to and then select Reset
  4. Tap the Erase all contents and settings option.
  5. Enter your device passcode once prompted.
  6. Then tap to confirm all settings reset.

Install necessary apps and set up the settings on your iPhone 12 after the factory reset to use it again. Then check if it is laggy or not anymore. 

Fifth Solution: Restore the iPhone 12 via iTunes

To rule out a major system glitch that may have resulted in an iPhone becomes extremely laggy, this procedure should help. It allows your iPhone 12 to correct system glitches by redownloading the whole iOS version. 

To make this possible, you’ll need to prepare a Mac or Windows computer with the latest iTunes installed. Also ensure that your computer runs on the latest operating system that is compatible with your iPhone 12 and with good internet connection. If all requirements are met, open iTunes and connect your device to the computer using the Apple-supplied USB/lightning cable. Then allow iTunes to sync with your iPhone and backup files, if possible. Once the backup is secured, follow these steps to put your iPhone in recovery mode and then restore iOS in iTunes:

  1. Press and release the Volume Up button quickly.
  2. Press and release the Volume Down button quickly.
  3. Then press and hold the Power/Side button once prompted with Connect to iTunes screen. Do not release the button when the Apple logo appears as you will need to enter recovery mode state.
  4. Once you enter the recovery mode, you’ll see either Update or Restore option.
  5. Select Restore if you want to reinstall and download iOS on your device without erasing data. 

Just allow your device to redownload the iOS and complete the procedure. Do not disconnect your phone and keep it connected until the entire restore process is finished.

Still Having an Extremely Laggy iPhone 12

If your iPhone 12 is still very laggy after trying the procedures provided above, this problem might be due to a defective hardware. Consult with an official Apple technician to check the device properly. You may contact them via their official website or visit the nearest Apple service center in your area. 

Also Read: How to Fix iPhone 12 Ghost Touch Issue

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