For Generation 6 Mazda MZD Connect version read.
How You Read Firmware "Version NUMBERS" from 'Left to Right' as a 7 Digit Version Number without the 2 middle Dots....
9 x Examples:
20.00.007 is 2000007 made in 2013 (late)
31.00.300A is 3100300 made in 2014
59.00.502A is 5900502 made in 2015 (late)
70.00.021 is 7000021 made in 2017
70.00.100A is 7000100 made in 2018
70.00.352B is 7000352 made in 2018
70.00.367 is 7000367 made in 2018 (late)
74.00.210A is 7400210 made in 2020
74.00.324A is 7400324 made in 2022 (the latest and last release).
So with these 9 examples above 20.00.007 is the OLDEST or LOWEST buggy Version and 74.00.324A is the NEWEST or HIGHEST and the LATEST and the LAST Mazda Connect Version for this final now out of production Gen 6 Mazda-MZD Connect.
NA N or EU N or 4A N or JP M is the Region location.
NA N North America
EU N Europe
4A N (ADR) Australia/NZ, Oceania, Southern Hemisphere.
Navigation Brands
N means NNG-Here Navigation.
M means Matsuoka Japan ONLY Navigation.
ONLY Time when 70.00.100 MUST BE UPDATED or used to install 74.00.324A is when your Version is Older or BELOW
56.00.100 for Europe EU N , 4A N (ADR), and JP M.
55.00.650 for North America.
See screenshot from Mazda Europe and Mazda North America.
EU N and 4A N
NA N or North America