start4.elf is not compatible This board requires newer software.

You’ve just tried to boot an image and you get the error start4.elf is not compatible This board requires newer software. – You can get this fixed in just a few minutes – read this article to find out more:-

“start4.elf is not compatible This board requires newer software.”

How to fix (RecalBox)

  1. download https://www.recalbox.com/download/stable/allimages/(Recalbox 9.0-Pulstar – Raspberry Pi 4 / 400 (64 bits)
  2. Use Pi Imager and flash on Device B
  3. Insert Device A in PC and empty all files. Copy all files from Device A to B.
  4. Boot Pi with Device A.
  5. Check settings in recalbox-user-config.txt I had to remove # from #hdmi_safe=1 to fix my black/invalid resolution on my homecinema.

How to fix (Retropie)

  1. Remove your loaded build from the sd reader and put to one side
  2. Get ANOTHER SD Card and download Raspberry Pi Imager ( here )
  3. Using Imager get the latest raspberry Pi OS and write to your spare SD Card
  4. boot it up in the Pi you are trying to run your image on
  5. Once booted, shut down the Pi, replace with your loaded build
  6. It will now boot as the firmware is updated

Thanks for reading!