---
title: firmwareVersion
framework: homekit
role: symbol
role_heading: Instance Property
path: homekit/hmaccessory/firmwareversion
---

# firmwareVersion

The firmware version of the accessory.

## Declaration

```swift
var firmwareVersion: String? { get }
```

## See Also

### Getting manufacturer information

- [manufacturer](homekit/hmaccessory/manufacturer.md)
- [model](homekit/hmaccessory/model.md)