Please note the OP has directly copied my files in his first post, but I can not amend it.
There has been a change in what Version Numbers to now Install and this depends on what Version is currently running in your Mazda today.
Install Procedure...
(All Mazda Models already on Stage 2 .up firmware in use).
IF YOUR MAZDA HAS FIRMWARE VERSION ON or BELOW
55.00.600 NA N for North America, or,
56.00.000 EU N or 4A N for Europe/UK , or Australia, Asia, NZ, Oceania Middle East.
LIKE 31.00.100 or 41.00.000 or 55.00.000 (NA N) or 56.00.000A (EU N or 4A N).
THEN YOU MUST UPDATE with Version Number 70.00.100A First!.
THIS IS A TWO (2) FILE INSTALLATION FOR YOUR REGION or COUNTRY.
70.00.100A-FAILSAFE.UP (First)
Then next Install (one after the other do not remove the USB Flash Drive).
70.00.100A-REINSTALL.UP (Last)
Warning...!!!
DO NOT TURN OFF/ON or START ENGINE BETWEEN THIS
TWO FILE UPDATE, you INSTALL ONE after THE OTHER
DO NOT REMOVE USB FLASH DRIVE.
AFTER INSTALL use YOUR ''CONNECT'' in CAR FOR A FEW MINUTES, THEN SHUTDOWN CAR FOR THE LAST FINAL VERSION TO INSTALL.
Next you MUST do final and last below.....
----------------------------------------------------------
Your FINAL Install Procedure is now Only a 1 (one) File Installation...
(All Mazda Models with .up Firmware use)
IF YOUR MAZDA HAS .up FIRMWARE VERSION ON or ABOVE
55.00.650A (NA N) or the 56.00.100A (EU N or 4A N) or 58.00.310A
or Any 59.00.502A or 59.00.650A,
or Any 70's Firmware like 70.00.021A, 70.00.100A or 70.00.110 or
70.00.150A or 70.00.335C or 70.00.367A or 74.00.230A or 74.00.311A
THEN YES YOU CAN UPDATE Directly to 74.00.324A for LATEST FIRMWARE.
This is now a SINGLE FILE (1) ONLY INSTALLATION for
YOUR REGION or COUNTRY,
MUST USE EITHER ONE of...
NA N_74.00.324A-UPDATE.UP (North America ONLY)
or
EU N_74.00.324A -UPDATE.UP (Europe/UK)
or
4A N_74.00.311A-UPDATE.UP (ADR, AU. NZ, ME, Asia) (74.00.324A 4A N (ADR) is not yet available)
THIS IS THE LATEST GENUINE FIRMWARE CURRENTLY AVAILABLE
FROM MAZDA JAPAN As Of December 30th, 2022.
-----------------------------------------------------------------------------------
ALL 7x.00.xxxx FIRMWARE INCLUDES the Software for
CAR PLAY + ANDROID-AUTO....But...
For the CP/AA CONVERSION TO ACTUALLY WORK IN YOUR MAZDA
You MUST HAVE THE TWO ''GENUINE MAZDA PARTS'' INSTALLED
AFTER any 7X.00.XXXX is installed and or WORKING in YOUR CAR FIRST.
THERE ARE NO SHORT CUTS or OTHER BRAND PARTS...None, DO NOT ASK.
YOU MUST PURCHASE and INSTALL the TWO GENUINE MAZDA PARTS LAST.
DO NOT INSTALL THESE NEW PARTS FIRST or BEFORE ANY 70s FIRMWARE OTHERWISE YOU WILL HAVE TO REMOVE THE NEW PARTS RE-INSTALL THE OLD PARTS AND THEN START AGAIN.
YOU CAN NOT SEPARATE THIS CARPLAY and or ANDROID-AUTO
AS THEY ARE BOTH INSTALLED WITH all 7x.00.xxx FIRMWARE.
CARPLAY and ADROID-AUTO WILL NEVER WORK WITHOUT THE
TWO ''GENUINE MAZDA PARTS'' Finally INSTALLED Last...PERIOD.
*