Mobile Browser - Safari
Open the Settings app
Tap Safari
Tap Clear History and Website Data.
Select Clear History and Data
Mobile Browser - Chrome
At the top right, tap More ⋮
Tap History > Clear browsing data.
At the top, choose a time range. To delete everything, select All time.
Next to "Cookies and site data" and "Cached images and files," check the boxes.
Tap Clear data.
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