Apple CarPlay and Android Auto

:
2016 Mazda CX-9 GT
I just installed the latest firmware update and assume the Apple Carplay or Android Auto options will not show until I install the new USB hub and cable set? which will be delivered to me on Wednesday.
Found my answer here

https://www.mazda6club.com/threads/...oidauto-install-instructions-all-here.440990/

..NOTE:
After 70.00.335C Firmware is installed you can run it and can use it in car normally, BUT YOU WILL NOT SEE CP/AA availability on the Connect screen Settings, etc.
Only UNTIL and AFTER you Install the TWO NEW Genuine Mazda Parts LAST.
 
The link for the cmu150_NA_70.00.100A_failsafe.up and cmu150_NA_70.00.100A_reinstall.up are not working anymore. Does anyone have the files still and can re-upload them somwhere?

Thank you!
Picking up an old thread because I am new to my 2016 CX-9 T which currently has 59.00.502 NA N. Everything I’m reading says I have to take a step with 70.00.100A (failsafe and reinstall) and then finally end at the latest 70.00.367A.

The questions are:
Are these the right steps or am I reading old news?
Where can I find these files to download?
Will it matter if I download to flash drive using MacOS?
 
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