1- Click on the three horizontal dots in the top right corner of the browser.
2- Click on the Settings option in the drop down menu.
3- In the search bar at the top of your screen type cache.
4- Click on the Clear browsing data option.
5- Make sure the drop down box has All time selected next to Time range. If not, use the drop down arrow to select All time.
6- Make sure the three check marks are in the boxes on the left side then click the Clear data button.