Open Settings
Tap Privacy & Security
Tap Tracking
Turn off Allow Apps to Request to Track
Go back to Privacy & Security
Tap Location Services
Turn off Location Services if needed
Tap each app and set location access to Never or While Using
Go back to Settings
Tap Privacy & Security
Tap Apple Advertising
Turn off Personalized Ads
Go to Settings
Tap Safari
Turn on Prevent Cross-Site Tracking
Turn on Hide IP Address from Trackers
Go to Settings
Tap General
Tap AirDrop
Set Receiving Off or Contacts Only if needed
Go to Settings
Tap Privacy & Security
Tap Analytics & Improvements
Turn off Share iPhone Analytics
Turn off Share With App Developers
Go to Settings
Tap Mail
Tap Privacy Protection
Turn on Protect Mail Activity
Go to Settings
Tap App Store
Turn off Personalized Recommendations if needed