Clearing Your Browser Cache in Google Chrome for iPads & iPhones
On your iPad or iPhone, open the Google Chrome application:
Tap the three dots at the bottom-right corner of the screen:
Scroll down and select Delete browsing data from the list:
In the Delete browsing data popup, set the Time range to All time:
Ensure the Cookies, Site Data and Cached Images and Files are checked:
Then select the Delete browsing data at the bottom of the screen:
When prompted for the confirmation, select Delete browsing data: