Go to Settings on your device

Scroll down to Safari

Click Advanced

Click Website Data

Tap on Clear history and website data

On your device, open Firefox

Click on the menu tab (that has 3 parallel lines) on the lower right hand side of the browser window

Select "Settings"

Scroll down to "Privacy"

Select "Clear Private Data"

Make sure only "Cookies" is selected

Tap on "Clear Private Data

Launch Firefox

Look for the menu icon (3 parallel lines) on your browser

Go to Settings

Look for Privacy & Security

Select Clear Private Data

Choose which data you would like removed

Tap Clear Data

On your device, launch Chrome

Tap More Settings

Click on Privacy and Security

Hit Delete Browsing Data

Choose which data you would like removed

Click Delete Browsing Data

Select Done

On your device, open Chrome

At the top right, click the 3 dots and select Settings

Click the privacy tab

Select clear browsing data

Choose which data you would like removed

Click clear data