Update your phone’s operating system
Update all installed apps
Open your phone’s built-in security app or Play Protect on Android
Run a full device scan
Check app permissions and remove suspicious access
Review recently installed apps and uninstall unknown ones
Clear browser data and remove suspicious browser extensions or profiles
Check battery, data, and storage usage for unusual activity
Restart the phone in safe mode and scan again if needed
Install a trusted antivirus app from the official app store
Run a scan with the antivirus app
Remove any threats found
Change passwords for important accounts if you suspect infection
Back up important data
Factory reset the phone if problems continue