Open the Settings app
Scroll down and tap Safari
Tap Clear History and Website Data
Tap Clear to confirm
To delete specific sites only, go to Settings
Tap Safari
Tap Advanced
Tap Website Data
Remove individual website data if needed
To clear history in Chrome, open Chrome
Tap the three dots menu
Tap History
Tap Clear Browsing Data
Select Browsing History
Tap Clear Browsing Data
To clear history in Firefox, open Firefox
Tap the menu button
Tap History
Tap Clear Recent History
Choose the time range and confirm