CPS standalone. Use this 1st if the following passwords do not work.
Use this as last
It can happen that a “PC Programming Password”, set on the Tytera
MD-380/Retevis RT-3 “CPS” programming software, is lost or forgotten. If
that happens, there is no way to program the radio from your PC ever
However, there is a simple workaround:
install the md380tools by Travis Goodspeed KK4VCZ; follow carefully his instructions for installation;