{
  "id": "radiomaster/zorro",
  "vendor": "RadioMaster",
  "model": "Zorro",
  "category": "radio",
  "status": "open-firmware",
  "projects": [
    {
      "name": "EdgeTX (zorro build)",
      "url": "https://github.com/EdgeTX/edgetx",
      "kind": "firmware",
      "license": "GPL-2.0",
      "freedom": {
        "nonfree": [
          "bootloader"
        ],
        "cloud": "none",
        "notes": "EdgeTX is free and brings its own bootloader; the STM32 ROM bootloader used for USB flashing is closed and stays. An internal RF module runs its own firmware, free only when it is ExpressLRS or the DIY Multiprotocol module."
      }
    }
  ],
  "install": [
    {
      "project": "EdgeTX",
      "method": "usb-bootloader",
      "guide": "https://manual.edgetx.org/installing-and-updating-edgetx",
      "installer": "https://buddy.edgetx.org/",
      "difficulty": "medium",
      "tools": [
        "Computer with EdgeTX Buddy (web or desktop)",
        "USB cable",
        "SD card with the matching EdgeTX SD-card content"
      ],
      "opens_device": false,
      "brick_risk": "low",
      "reversible": "yes",
      "notes": "Back up the SD card and models first. Many of these radios ship with EdgeTX; updates use the same tool, or the radio's own bootloader with the firmware file on the SD card."
    }
  ],
  "provenance": {
    "sources": [
      "edgetx"
    ]
  },
  "updated": "2026-10-25"
}