MAZDA FIRMWARE UPDATE 74.00.324A EU N (EUROPE, UK, ISRAEL, etc, 2014-2021 Models)

• The most recent, and final update at this time is 74.00.342A EU N .
• This firmware version/format (.up) will not be installed on new Mazdas (2022 and above). You must use the correct region for your Mazda, as detailed below.

  .74.00.324A EU N for EUROPE, UK, ISRAEL, etc.

APPLICABLE MODEL(S):
2014-2018 Mazda3
2016-2021 Mazda2
2016-2021 Mazda6
2016-2021 CX-3
2016-2021 CX-5
2016-2021 CX-9
2016-2021 MX-5

• READ CAREFULLY BEFORE INSTALLING (INSTALLATION INSTRUCTIONS ARE AT THE BOTTOM OF THIS PAGE):
• 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_74.00.324A-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 JULY 30th, 2025.
• 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…..
  ———————————————————————————————————————————————
• 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.
• 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.
• Installation Requirements
• USB flash drive (FAT32 formatted) – minimum 4 GB
• Access to the Mazda Connect infotainment system
• Good vehicle battery or engine running during installation
• Approximately 15–30 minutes

• 📥 How to Check Your Current Firmware Version

1. Turn on your vehicle (ACC or ON mode).
2. Press and hold the following three buttons at the same time:
   • Music Note + Favorites + Mute (Volume)
3. The Diagnostic Menu will appear.
4. Navigate to:
   Version Information > Connected Device > CMU
5. Your current software number will be displayed. If it’s lower than 11048, you can safely update.

• 🛠️ Installation Instructions
• ⚠️ Please follow all steps carefully. Do not power off the vehicle or remove the USB drive during the process.
• Step-by-step Guide:

1. Prepare USB Drive:
   • Format the USB stick using FAT32 format.
   • Copy CMU_7000C0A-NA03_11048.kwi to the root directory (not inside any folders).
2. Insert USB and Start Vehicle:
   • Insert USB into the front USB port.
   • Start the vehicle or place it in ACC mode (ensure stable power supply).
3. Enter Diagnostic Mode:
   • Press and hold: Music Note + Favorites + Mute (Volume) for about 5 seconds.
   • The Diagnostic Test Screen will appear.
4. Start Firmware Update:
   • Navigate to: System Update > Search for Update
   • The system will detect the update file.
   • Confirm to start the update process.
5. Wait for Completion:
   • The process will take 15–30 minutes.
   • Keep the vehicle on and do not remove the USB.
   • System will reboot automatically when done.
6. Confirm Update:
   •  Re-enter the Diagnostic Menu and verify that the software version is the latest