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The McDonald’s app is a convenient way to order food for pickup or delivery and get deals. However, some users have encountered an error code 10021 that prevents the app from working properly. If you see this error, here are a few steps you can take to try to resolve it:

Check your internet connection

Make sure your phone is connected to a stable WiFi network or has a strong cellular data signal. A weak or inconsistent internet connection can cause issues with the app. Try turning off WiFi and using cellular data instead to see if that fixes the problem.

Restart the app

Close the McDonald’s app completely and relaunch it. This can sometimes clear up temporary glitches or connection problems.

Log out and back in

Sign out of your account in the app by going to More > Profile and tapping Sign Out. Then go back to the menu and sign in again. Logging out and in can resolve issues with your account data in the app.

Check for app and iOS updates

Go to the App Store and see if there are any available updates for the McDonald’s app. Having the latest version ensures you have any bug fixes. Also check for any iOS updates for your iPhone in Settings > General > Software Update.

Delete and reinstall

If the above steps don’t work, try uninstalling the McDonald’s app from your phone completely. Then reinstall a fresh copy from the App Store. This will clear any corrupted data that may have been causing problems.

Contact McDonald’s support

If you still can’t get the app working, reach out to McDonald’s customer support for further assistance. They may be able to identify issues with your specific account or device.

By following these troubleshooting steps, you should be able to resolve the 10021 error code and get the McDonald’s app working normally again. Don’t let technical issues get in the way of enjoying your favorite fast food!

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