Download the latest speed camera updates for your Kenwood KNA-G421 navigation system, including more than 150,000 fixed and mobile camera locations across Europe and WorldWide.

Last update: 06.14.2026
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Download the latest available update. Update your maps. Select your car from the list and get the information you need to update your maps. The most complete database of speedcam available on internet. You'll receive inmediately a download link containing the necessary files to update your device. You don't need to do other format conversions. 100% Legal


Kenwood KNA-G421

In order to update your GPS device: Kenwood KNA-G421 with the latest update, follow next instructions.

First of all, be sure you got the update file for your Kenwood KNA-G421 device, downloaded from SpeedcamUpdates.com.

If still haven't got it, you can get it now filling the form you see on this page.

  1. Extract files from the SpeedcamUpdates zip package. If the file you have downloaded is not a ZIP file means the file is already decompressed, and you can continue with the next step of this installation instructions.
  2. For kenwood devices that supports SD card.
  3. Insert in your PC or card reader, a blank SD Memory Card. Run POI loader. In the first screen of POI Loader select "Custom Folder". Now select a folder where the new files will be saved. We choose the SD card drive. Browse to the folder where you extracted the files before. Select Express Mode, and wait for the application finish copying a new binary file for your Kenwood KNA-G421 device. When the process finished, you will see a new file called poi.gpi. Take out your SD memory card and insert it into your Kenwood KNA-G421 device. Now you have to copy that file in a specified folder. Now copy that file in a directory structure like [SD]:\garmin\poi\poi.gpi.
  4. For kenwood devices that does not supports SD card.
  5. 1. Create a folder on your computer called " garmin ".
    * NOTE: Users of models DNX7240BT DNX9240BT have to create a subfolder called " poi ". The final structure should be like this "garmin\poi"
    * NOTE: depending on the firmware of your kenwood device your folder called garmin should be called Garmin with upper case G. i.e.: " Garmin \ poi "
    2. Run POILoader.
    3. Select "Custom Folder "
    4. Browse to the folder where you extracted our speed camera database.
    5. Follow the on screen instructions.
    6. Use POI loader to create the output file from database, choose " Custom Folder" and then select the garmin folder you created in Step 1
    7. Browse for your POI folder and follow the on screen instructions.
    8. Burn the folder containing the new files into a CD-R. Burn the CD as "Data CD" and be sure to finalize CD.
    9. Insert CD into the Kenwood unit and it will be updated automatically.


 

Kenwood KNA-G421 Speed Camera Update Information

The Kenwood KNA-G421 GPS navigation system offers comprehensive map coverage, essential for accurate route planning and navigation. To ensure optimal performance, it is crucial to keep the map database updated. Regular updates provide access to the latest road information, points of interest, and changes in traffic regulations. This is particularly important when traveling in unfamiliar areas or transitioning between regions, such as moving from Europe to Australia. By maintaining an updated map database, users can navigate confidently, knowing they have the most current information at their fingertips.

To update the Kenwood KNA-G421 with the latest Australian maps, users should utilize Kenwood's map update tool on a PC. Begin by connecting the device via USB or inserting an SD card into the PC. Follow the prompts in the map update tool to download and install the new map data. Ensure that the device firmware is also updated during this process to support the latest map features. Once the installation is complete, safely disconnect the device and insert it back into the vehicle for immediate use.

The Kenwood KNA-G421 provides reliable route guidance, ensuring users reach their destinations efficiently. The system offers clear, turn-by-turn directions, which are essential for navigating complex intersections and unfamiliar roads. Additionally, the device can alert users to speed camera locations, enhancing safety and compliance with traffic regulations. By utilizing these features, drivers can focus on the road while receiving timely updates and guidance, making their journeys more manageable and less stressful.