FACE_ERROR_UNSUPPORTED_OS_VER constant
int
const FACE_ERROR_UNSUPPORTED_OS_VER
3D facial authentication is not supported in this OS version. 3D facial authentication of FIDO BioAuthn can only be used on devices running EMUI 10.0.0 or later.
Implementation
static const int FACE_ERROR_UNSUPPORTED_OS_VER = 1002;