Developer mode (Engineer Mode) is a special Porsche Piws2 software that allow a lot of advanced coding normally reserved only to Factory. With this function you will have a tool that can do more than software of official Porsche Dealer. For example, you can reprogram all ECUs completely offline.
How to use Developer Mode? OBD365 offer instruction here.
There are two modes diplsayed in the right botton of the pop-up software interface:Developer Mode and Normal Mode
Select "Developer Mode" and enter PIWS2 software.