Users can manage privacy and performance on iPhone by managing Safari browser data and security settings.
To address browsing issues such as slow loading or login errors, users can clear Safari cookies and website data. This can be done entirely through the iPhone Settings app by selecting 'Clear History and Website Data,' or more granularly via the 'Advanced' menu to remove data from specific websites while preserving browsing history.
For enhanced privacy, iPhone users can secure Safari's Private Browsing mode using biometric authentication. By enabling the 'Require Face ID to Unlock Private Browsing' toggle within the Safari privacy settings, the device will require a Face ID or Touch ID scan before granting access to private tabs.