No worries. Legacy mode is a setting you can only access via the manual V1 programming. In the menu it's labeled L and an up arrow means it's off, or vice versa.
You do understand I fixed the issue, right?Can you post your set up? What version of the Detector are you running? I assume not an older pre ESP right?
Android versions on the 2 phones?
Are you running decent phone wires? are they original?