If Autofill Data already has a checkmark next to it, skip this step. You can uncheck every other item on the page, but the Autofill Data option must be checked.

If Autofill Data already has a checkmark next to it, skip this step. You can uncheck every other item on the page, but the Autofill Data option must be checked.

You can uncheck every other box on the ADVANCED tab, but the “Autofill form data” box must be checked in order to clear the search box contents. If the “Autofill form data” box is already checked, skip this step.

You can uncheck every other box on the Advanced tab, but the “Autofill form data” box must be checked in order to clear the search box contents. If the “Autofill form data” box is already checked, skip this step.

You can turn off every other switch on this page. Unfortunately, Firefox for the iPhone doesn’t include an “Autofill” option, so you’ll have to clear your whole browser’s history in order to clear the search box contents. If the “Browsing History” switch is blue, skip this step.

If this box is already checked, skip this step. You can uncheck every other box on this page, but the “Form history” box must be checked.

You can uncheck every other box in this form, but the “Form & Search History” box must be checked. If this box is already checked, skip this step.

You can uncheck every other box here, but the “Form data” box must be checked. If this box is already checked, skip this step.

If you don’t see this option, first click the General tab near the top of the window.

You can uncheck every other box here, but the “Form data” box must be checked. If this box is already checked, skip this step.