Android

1. Open your browser.
2. Android browser: Go to Menu More Settings or Menu Settings Privacy Security.
   Chrome: Go to Menu Settings Privacy.
3. Android browser: Tap Clear cache, Clear history, and Clear all cookie data as appropriate. 
   Chrome: Tap Clear browsing data at the bottom of the screen, leave the defaults selected (browsing history, cache, and cookies), then tap Clear.

iOS

1. From the home screen, go to Settings Safari.
2. Toward the bottom of Safari's settings screen, tap the button for Clear History and Website Data, then tap Clear History and Data to confirm.

Fire tablets (2nd generation Kindle Fires or newer)

1. Tap Silk Browser to open the web browser.
2. Go to Menu Settings Privacy.
3. Tap Clear browsing data.
4. Make sure Browsing history, Cache, and Cookies, Site data are selected. Then, tap Clear.