Hi, Andrew. Could you please share you backup file. I have older maps 2016, and I think I can make partially update on my microSD, if I get changes from yours backup.
the sd card has a secured format .. now a computer hacker person changes the toyota sd micro format and then use a new sd card to copy it and then put it in the new micro card ...
my 2016 runner new 2016 july the sd card is 2015 may data ...