How to restore iPhone built-in applications?
1. On the iOS device, go to the App Store. ?
2. Search related applications. Make sure to use the exact name of the application. Find the correct name of the built-in application.
3. Click the download button to restore this application.
4. Wait for the application to resume, and then open it from the home screen.
If you have an Apple Watch, restoring the application to the iPhone will also restore it to the Apple Watch.
Apple said that when you remove the built-in application from the home screen, you will also remove all relevant user data and configuration files. This may affect related system functions or information on Apple Watch.
The codes of these native applications are embedded in the iOS system, and the deletion operation will not delete these codes, so when the system is upgraded, these applications will also have functional updates, but there is no direct software upgrade.
Extended data:
What happens when a built-in application is removed from the home screen?
1. If you have an Apple Watch paired with the iPhone, deleting the application from the iPhone will also delete the application from the main screen of the Apple Watch.
2. If you delete the podcast application from your device, you will not be able to use podcasts through CarPlay.
3. If you delete the music application, you may not be able to play some audio content with Apple application or third-party application on some car stereo systems or stereo receivers.
4. If you delete the "Stock Market" or "Weather" application from the device, you will not be able to find the stock market and weather information in other locations. For example, you won't be able to see the stock market and weather information in the notification center of iPhone or the complicated functions or quick view of Apple Watch.
5. If you delete the calculator application, the calculator will not be displayed in the control center.
References:
Apple official website-Manage devices or applications running iOS 12 or later.