Instructions apply to Safari and Chrome web browsers.
kick off the iPhoneSettingsapp, scroll down, and selectSafari.
SelectClear History and Website Data.

Clearing history and data does not change your AutoFill information.
While you are in the Safari parameters, you’ve got the option to turn onPrevent Cross-Site Tracking.
shut the tweaks app when you’re done.

it’s possible for you to also delete only cookies or delete cookies for a specific website.
When you delete all cookies, you’ll need to get in to websites again.
If you have problems with a specific website, delete the data for that website.

bring up the iPhoneSettingsapp and chooseSafari.
A list of every website that stored cookies in the Safari web client app displays.
you’ve got the option to clear all cookies from this screen or select specific cookies to delete.

To delete all the websites in the list, selectRemove All Website Dataand confirm by tappingRemove Now.
There may be hundreds (or thousands) of websites listed in the Website Data screen.
If you are looking for a specific website, use the search field to find it.

SelectCookies, Site Data,then selectClear Browsing Data.
To confirm that you want to scrub the Chrome app browsing data, selectClear Browsing Data.