Will uninstalling the software directly on the iPhone 6 be clean?

Directly uninstalling the software on iPhone 6 will retain the cached data and user data of the software so that it can be used again the next time you install the software. If you want to completely uninstall the software and delete all the cached data of the software, you need to go to "iPhone Storage" Space" to delete the software.

1. Open settings.

2. Click General.

3. Click on iPhone storage space.

4. Select the software you want to delete in the iPhone’s storage space.

5. Then click Delete App.

6. Finally, click Delete Application to completely delete the software itself, cache data, and user data.