Check for unusual battery drain
Check for unexpected data usage
Look for unknown apps installed on your phone
Review app permissions
Check for strange background activity
Watch for overheating when not in use
Look for random pop-ups or ads
Check if your phone restarts, freezes, or lags unexpectedly
Review location sharing settings
Check for unfamiliar devices signed into your accounts
Run a security scan with a trusted app
Update your phone’s operating system
Reset network settings if needed
Back up important data and perform a factory reset if suspicious activity continues