Open Settings
Tap Privacy & Security
Tap Tracking
Turn off Allow Apps to Request to Track
Turn off tracking permissions for individual apps if needed
Open Settings
Tap Privacy & Security
Tap Location Services
Turn off Location Services if you want to stop location tracking
Tap each app and set location access to Never or While Using the App
Open Settings
Tap Privacy & Security
Tap Analytics & Improvements
Turn off Share iPhone Analytics
Turn off Share iCloud Analytics
Open Settings
Tap Apple ID
Tap Find My
Turn off Share My Location if needed
Open Settings
Tap Safari
Turn on Prevent Cross-Site Tracking
Turn on Hide IP Address
Open Settings
Tap Mail
Turn on Protect Mail Activity
Open Settings
Tap General
Tap AirPlay & Continuity
Turn off Handoff if needed
Open Settings
Tap Privacy & Security
Tap Bluetooth
Turn off Bluetooth access for apps you do not trust
Open Settings
Tap Privacy & Security
Tap Microphone and Camera
Turn off access for apps you do not trust
Open Settings
Tap Privacy & Security
Tap Photos
Set app access to Selected Photos or None
Open Settings
Tap Cellular
Turn off cellular data for apps you do not want to track online activity
Open Settings
Tap Apple ID
Tap iCloud
Review and limit app syncing if needed