Keep your unit updated

Get the latest updates, free of charge, to keep your device running smoothly and securely. You will need an empty USB-memory (FAT32) in order to update your products.

How to update

  1. Download the latest model specific firmware version to your pc.
  2. Use a formatted USB-memory stick (FAT32) to store the file.
  3. Start the head unit with the power button.
  4. Insert the USB-memory stick in the USB port.
  5. Wait for the text UPGRADE to show in the display. When UPGRADE is displayed the update is in progress.
  6. When the update is finished the head unit turns itself off. The update only takes a few seconds.
  7. Remove the USB-memory.
  8. Start the head unit with the power button.
  9. The update is complete!

Software download


When you download the software it will be in a .zip file, you need to unzip the file first and extract the software file before placing the file on a USB-memory stick.

GAS GMA152BTR – 2021.02.26 – Download

GAS GMA153BTD – 2021.02.26 – Download

GAS GMA252BTR – 2021.02.26 – Download