This does not work on fully patched Android 10+ devices due to Bluetooth permission model changes . Google introduced runtime permissions for Bluetooth scanning ( ACCESS_FINE_LOCATION ) and removed unauthenticated OBEX access.
Utilize reputable mobile security software to monitor for unauthorized access. Conclusion Bluesnarfing Android Apk
Never accept a pairing request from a device you do not recognize. Manage Permissions: Regularly check Settings > Privacy > Permission Manager This does not work on fully patched Android