{
  "id": "xiaomi/mi-router-4a-gigabit-edition-v1",
  "vendor": "Xiaomi",
  "model": "Mi Router 4A Gigabit Edition v1",
  "category": "router",
  "identifiers": {
    "chips": [
      "MediaTek MT7621AT"
    ],
    "fcc_id": [
      "2AFZZR4A"
    ]
  },
  "status": "open-firmware",
  "projects": [
    {
      "name": "OpenWrt",
      "url": "https://openwrt.org/toh/hwdata/xiaomi/xiaomi_mi_router_4a_gbit",
      "kind": "firmware",
      "license": "GPL-2.0"
    }
  ],
  "install": [
    {
      "project": "OpenWrt",
      "method": "serial",
      "guide": "https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=a51e46e543ef2e923fb97fb092d04355dfca7d7d",
      "installer": "https://firmware-selector.openwrt.org/?version=25.12.2&target=ramips%2Fmt7621&id=xiaomi_mi-router-4a-gigabit",
      "difficulty": "hard",
      "tools": [
        "USB-serial adapter (3.3 V)",
        "Computer with a TFTP server",
        "Ethernet cable"
      ],
      "opens_device": true,
      "notes": "Table of Hardware method: U-Boot TFTP + serial recovery (flash from the bootloader over a serial console)."
    }
  ],
  "provenance": {
    "sources": [
      "openwrt"
    ]
  },
  "updated": "2026-10-17"
}