Cookies are very small text files that your mobile device downloads when you visit a website. When you return to websites – or visit other websites that use the same cookies – they recognise these cookies and therefore your mobile device.
What happens to cookies that have been downloaded in the past?
If you've disabled one or more cookie categories, we may still use information collected from existing cookies, but we'll stop using the disabled cookies to gather any further information. You can delete existing cookies from your browser.