Youtube movie how to manually install firmware 1969, included with downloadlink for the firmware 1969
Att you must have the 1940 version first installed:
CUPRA FORMENTOR UPDATE SOFTWARE MIB3 1969 TO USB tutorial&Download - YouTube
How to enter CUPRA formentor Service Mode for the update:
How to enter Service Mode - Cupra Formentor, Seat Leon, Cupra Leon (youtube.com)
Did it yesterday 15 minutes work flawless
(Sorry i am from Holland so I write it in Englisch)