How to swith to developer mode from dealer mode for piwis tester 3 software?

Porsche Piwis Tester III with latest V40.6 software installed at Lenovo Yoga S1 touch screen laptop, ready to use. Fixed piwis tester 2 could not work on Porsche vehicles after 2017, comes with dual system V38.200 + V40.6 software, supports diagnosis… Continue Reading