Disconnect the device and assume full compromise
Remote-access scams give the attacker complete control of the device. Until it's clean, you can't trust anything on it — keep it offline until the remediation step.
What they likely did
- Opened your banking app or email and screenshotted
- Installed a hidden remote-access tool that survives reboots
- Disabled antivirus or security warnings
- Saved files (passwords, ID copies, browser data) for later use