---
updatedAt: 2026-04-29T00:49:36.000Z
agentTools:
  projectIndex: https://synaccess.readme.io/llms.txt
---

# Update Firmware For One Device

Queue an explicit firmware version for a single device. The authenticated user must have admin privileges in the target organization.

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "Cloud.Synaccess",
    "version": "1.3"
  },
  "servers": [
    {
      "url": "https://cloud.synaccess.com"
    }
  ],
  "components": {
    "securitySchemes": {
      "sec0": {
        "type": "apiKey",
        "name": "authorization",
        "in": "header",
        "x-default": "Bearer"
      }
    },
    "schemas": {
      "FirmwareSingleUpdateRequest": {
        "type": "object",
        "required": [
          "firmwareVersion"
        ],
        "properties": {
          "firmwareVersion": {
            "type": "string",
            "description": "Exact firmware version string to install on the target device."
          }
        }
      },
      "FirmwareSingleUpdateResponse": {
        "type": "object",
        "properties": {
          "data": {
            "type": "object",
            "description": "Raw device payload returned from the firmware update command.",
            "additionalProperties": true
          }
        }
      }
    }
  },
  "security": [
    {
      "sec0": []
    }
  ],
  "tags": [
    {
      "name": "Firmware",
      "description": "Firmware catalog and update endpoints."
    }
  ],
  "x-tagGroups": [
    {
      "name": "Devices",
      "tags": [
        "Device Inventory",
        "Device Live Telemetry",
        "Device Logs",
        "Configuration",
        "Firmware"
      ]
    },
    {
      "name": "Power Control",
      "tags": [
        "Outlets",
        "PDU Outlet Groups",
        "Inlets",
        "Banks",
        "Sensors"
      ]
    },
    {
      "name": "Automation",
      "tags": [
        "Events",
        "Actions"
      ]
    },
    {
      "name": "Organization",
      "tags": [
        "Groups"
      ]
    }
  ],
  "paths": {
    "/v2/firmware/devices/{enclosureSerialNumber}/update": {
      "post": {
        "summary": "Update Firmware For One Device",
        "description": "Queue an explicit firmware version for a single device. The authenticated user must have admin privileges in the target organization.",
        "operationId": "firmware-update-one",
        "parameters": [
          {
            "name": "enclosureSerialNumber",
            "in": "path",
            "description": "Unique enclosure serial number for the device.",
            "schema": {
              "type": "integer",
              "format": "int64"
            },
            "required": true
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/FirmwareSingleUpdateRequest"
              },
              "examples": {
                "Request Example": {
                  "value": {
                    "firmwareVersion": "2.5.111"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Firmware update accepted by the target device",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/FirmwareSingleUpdateResponse"
                },
                "examples": {
                  "Result": {
                    "value": {
                      "data": {}
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid firmware version, update already in progress, or device operation denied"
          },
          "401": {
            "description": "Missing or invalid token"
          },
          "403": {
            "description": "Caller is not an enterprise admin or admin-privileged user"
          }
        },
        "deprecated": false,
        "tags": [
          "Firmware"
        ]
      }
    }
  }
}
```