If you want to update GO-Play to the latest version or write other application firmware like MicroPython on ODROID-GO, follow the instructions below.

Download the “.fw” file from the release notes at the link below.

• MicroPython : https://github.com/OtherCrashOverride/MicroPython_ESP32_psRAM_LoBo-odroid-go/releases
• Doom : https://github.com/OtherCrashOverride/doom-odroid-go/releases
• Go-Play : https://github.com/OtherCrashOverride/go-play/releases

Or make a “.fw” file from Arduino firmware binary

• Make Arduino Applications for ODROID-GO

Copy a “.fw” file to the “odroid/firmware/” folder.
If you have not set up your SD card for ODROID-GO yet, please refer the link below.
Make SD card

If the screen looks like the above picture when you Power Switch on, follow this.
Power Switch Off, Hold B button, Power Switch On, Release B button when device firmware Menu appears.

Use the D-pad and A button to select the application firmware.
To return, press the B button.

Press the Start Button to start writing the application F/W.

• Power Switch Off, Hold B button, Power Switch On, Release B button when device firmware Menu appears. - Back to device firmware menu from an App
• A - Select Application F/W
• B - Cancel
• Start - Write Application F/W