Smart field search for safari won't turn off?

Smart search in Safari of my iPhone will not turn off even though I have disabled it in settings
I have gone to settings > safari > smart search field, and turned off search engine suggestions and preload top hit.
I have cleared history and cleared cookies and data.
I have reset the iPhone by holding the sleep and home button down until the apple logo came on
I really want to turn off the smart search so that no suggested sites or top hits show up.

Turn your phone off then on then try to uninstall safari all together if you want

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