iOS - Clearing Cache and Cookies
This document explains how to clear Safari's cache and cookies on iOS. For clearing cache and cookies in the Google Chrome app on iOS, please see Google's instructions.
From the home screen, tap the Settings button.
On the Settings screen, scroll down and tap the Safari button.
Under the 'Privacy' section of the Safari screen, tap the button labeled Clear Cookies and Data.
On the confirmation screen, tap Clear Cookies and Data.