How does oppo forcibly uninstall system software?

The steps to uninstall the software of this brand mobile phone system are as follows:

1. Open the home screen of the mobile phone and find the application you want to uninstall.

2. press and hold the application until the uninstall option appears.

3. click uninstall and wait for the application to be uninstalled.

4. If the application can't be uninstalled, you can try to find the application in Settings and select Uninstall in the application details page.