Please follow the below steps:
1. Swipe into the application center on the mobile phone, long press the corresponding app, and select Uninstall. Or long press the corresponding app, click on App info and Uninstall it.
2. You can also go to Settings>Apps>See All Apps. Tap the app you want to uninstall, and then select Uninstall.
Some built-in apps of the system do not support uninstallation. Uninstalling the app will clear the app data. we recommend you back up the required data before uninstalling.