Turn on airplane mode and disconnect Wi-Fi and Bluetooth
Close suspicious apps and browser tabs
Restart the phone in safe mode if available
Uninstall any recently installed suspicious apps
Remove unknown device admin apps and accessibility permissions
Clear browser history, cache, and site data
Update the phone’s operating system
Update all installed apps
Run a trusted mobile security scan
Delete suspicious downloads, files, and profiles
Reset browser settings and notification permissions
Change passwords for important accounts from a different device
Enable two-factor authentication on accounts
Back up important data
Perform a factory reset if problems continue
Restore only essential data after resetting
Monitor accounts for unusual activity