On older Android devices you’ll have to press the hardware menu key and then tap “More.” Look for the menu icon (three bars) located at the top right corner.
Some instructions may vary based on the type of phone you have and what version of Firefox it is running. Double check your selections to make sure that other items you want to keep are not selected, and then hit “Clear now.” Firefox: how to delete cookies in Firefox on your Android device Finally, you can complete the deletion by clicking “Clear data.” You can also clear your cache, which is where your computer stores previously viewed websites so they can be loaded faster on future visits.ĥ.