Harley-Davidson periodically provides software updates for the radio on www.h-d.com/boom. Check if you are using the latest version of software and update the software when a newer version is available. Updates can be done by using the following procedure or by bringing the vehicle to an authorized Harley-Davidson dealer.
  1. Select Home > Setup > System Information > Software.
  2. Compare the software version in the radio with the latest version of software available on www.h-d.com/boom (or www.h-d.com/touring > Owners > Software Downloads).
  3. Versions are the same: You have the latest software available. There is no need to update. Higher software level is available on website: Continue with procedure to update your radio software.
    4. NOTE
    Do not interrupt the installation process. Leave the vehicle and radio turned on, and keep the USB drive installed until the installation process is complete.
  4. Download the latest software version from the website. Select the proper update for your radio type (4.3) and the proper region/vehicle configuration, if applicable.
  5. Unzip the software package to a folder. The folder includes an installation file with an .ISO extension.
  6. Copy the .ISO file to the root directory (the first or top directory) of a USB drive. Some updates require up to an 8 GB USB drive.
  7. Keyed ignition motorcycle: Turn the vehicle ignition switch to ACCESSORY. Keyless ignition motorcycle: With the OFF/RUN switch turned off, press and hold the trigger switch until the vehicle enters accessory mode.
  8. Turn on the radio.
  9. Connect the USB drive to the vehicle USB port. The radio detects the new software and prompt for the update.
  10. See Figure 1. Select Yes. The software installation begins. The display prompts to remove the USB drive when the update is complete.
NOTE
If the incorrect file is on the USB drive, the radio displays the error message "The ISO image on the attached USB is corrupt or incompatible".
Figure 1. Software Update