Windows
Launch “Pixelcade LCD Artwork and Firmware Updater”

Linux
ssh into your Linux machine and run this command
curl -kLO -H “Cache-Control: no-cache” https://raw.githubusercontent.com/alinke/pixelcade-linux-builds/main/lcdupdater/lcdupdater.sh && chmod +x lcdupdater.sh && ./lcdupdater.sh