Chances are good that you use your phone's autofill feature so often that you don't even notice as your phone loads in your passwords or credit card information.

If you ever lose or cancel a credit card, or if you don't want personal data stored on your phone, then you might want to modify the autofill feature. You don't want to give away too much information.

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How to edit credit card data autofill on iPhone

This is the first thing. The settings app can be opened by scrolling down to the tab.

There are two Under the General subsection, tap the autofill option.

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Open "AutoFill" in your iPhone's Safari menu.
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There are three. To prevent the phone from automatically using any of the cards on file, or to manage your cards on a case-by-case basis, tap "Saved Credit Cards" on the left side of the screen.

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On this same page, you can also tell your iPhone to stop filling in your contact info.
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How to edit saved password autofill on iPhone

This is the first thing. Go to the settings app and click on passwords and accounts.

There are two If you want to change password data on a site-by-site or app-by-app basis, you can do it on the next page.

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You can disable password autofills altogether, or disable individual passwords.
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There are three. You can change the password for each site you have saved in the website and app passwords menu.

It's possible to find all of your saved passwords on an Apple device.

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