Safari (iOS)
Step One: Select Safari on your mobile device.
Step Two: Select the open book icon in the bottom right of the screen.
Step Three: Select Clear
Step Four: Select the option that applies to you.
Chrome (Android)
Step One: Launch the Chrome browser.
Step Two: Press the Menu key at the top right.
Step Three: Press Settings.
Step Four: Press Privacy.
Step Five: Press Clear Browsing Data.
Step Six: Select the items you want to clear, then press Clear.