Clearing your Browser Cache in Mozilla Firefox for Android
On your Android device, open the Mozilla Firefox application:
Select the three vertical dots towards the bottom-right of the screen to open the popup menu:
Then select Settings at the bottom of the menu:
In Settings, scroll down to the Privacy and security section, and select Delete browsing data:
Ensure the Cookies and site data, and Cached images and files options are selected:
Then select Delete browsing data button:
When prompted for confirmation, select Delete:
