Unexpected pop-ups or ads appearing in Safari or other apps
iPhone battery draining much faster than usual
Device overheating without heavy use
Sudden spikes in data usage
Apps crashing frequently or behaving strangely
New apps appearing that you did not install
Browser redirects to unfamiliar websites
Settings changing on their own
Contacts or messages being sent without your action
Phone becoming unusually slow or unresponsive
Calendar spam events appearing repeatedly
Unknown profiles, VPNs, or device management settings installed
Apple ID alerts about sign-ins you do not recognize
Frequent app permission requests that seem suspicious
Jailbreak-related apps or tools present on the device