For iPhone Safari

1. Launch Settings on your iPhone.
2. Tap "Safari" from the apps you have installed.


3. Tap "Clear history and website data".


4. Tap "Clear History and Data".

For iPhone Google Chrome

1. Start Google Chrome, tap the "More icon", and then tap "Settings".


2. Tap "Privacy".


3. Tap "Clear browsing history".


4. Check "Cookies, site data" and "Cached images and files", and tap "Clear browsing history".

For Android Google Chrome

1. Start Google Chrome and tap "History".


2. Tap "Delete browsing data".


3. Select "Cookies and site data" and "Cached images and files", and tap "Clear data".