Unexpected battery drain
iPhone running hotter than usual
Sudden spikes in data usage
Apps crashing or behaving strangely
Unknown apps appearing on the device
Pop-ups, redirects, or browser changes you did not make
Messages or calls you did not send
Contacts receiving strange texts from your number
Unfamiliar Apple ID login alerts
Passwords no longer working
Settings changed without your permission
Camera or microphone indicators appearing unexpectedly
Calendar events or subscriptions you did not add
Device performance becoming unusually slow
Unknown devices listed in your Apple account
Frequent account lockouts or verification prompts
Security apps or system features disabled without your action
Jailbreak-related signs you did not install
Strange charges on your phone bill or subscriptions
Emails or accounts linked to your iPhone showing suspicious activity