Check for unknown apps on the home screen and in App Library
Review Battery Usage for apps consuming unusual power
Review Cellular Data usage for apps using unexpected data
Check for unfamiliar device management profiles in Settings > General > VPN & Device Management
Check for unknown VPNs in Settings > VPN
Look for unexpected calendar subscriptions or accounts
Review app permissions for Location, Microphone, Camera, Photos, Contacts, Bluetooth, and Local Network
Check for unusual pop-ups, redirects, or Safari behavior
Verify Apple ID devices in Settings > [your name] > Devices
Check for unknown trusted phone numbers and email addresses on your Apple ID
Review Messages and Mail for suspicious links or login alerts
Check for unexpected forwarding in Messages, Mail, or Calls
Look for signs of jailbreak or unauthorized changes
Update iOS to the latest version
Restart the iPhone and monitor for recurring suspicious behavior
Reset all settings if needed
Remove unknown profiles, VPNs, and apps
Change Apple ID password and enable two-factor authentication
Change passwords for important accounts from a trusted device
Contact Apple Support if you suspect compromise