---
title: kCGImagePropertyExifAuxFirmware
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyexifauxfirmware
---

# kCGImagePropertyExifAuxFirmware

Firmware information.

## Declaration

```swift
let kCGImagePropertyExifAuxFirmware: CFString
```

## See Also

### Auxiliary Keys

- [kCGImagePropertyExifAuxLensInfo](imageio/kcgimagepropertyexifauxlensinfo.md)
- [kCGImagePropertyExifAuxLensModel](imageio/kcgimagepropertyexifauxlensmodel.md)
- [kCGImagePropertyExifAuxSerialNumber](imageio/kcgimagepropertyexifauxserialnumber.md)
- [kCGImagePropertyExifAuxLensID](imageio/kcgimagepropertyexifauxlensid.md)
- [kCGImagePropertyExifAuxLensSerialNumber](imageio/kcgimagepropertyexifauxlensserialnumber.md)
- [kCGImagePropertyExifAuxImageNumber](imageio/kcgimagepropertyexifauximagenumber.md)
- [kCGImagePropertyExifAuxFlashCompensation](imageio/kcgimagepropertyexifauxflashcompensation.md)
- [kCGImagePropertyExifAuxOwnerName](imageio/kcgimagepropertyexifauxownername.md)