To view the AudioAccessoryManager version on your device:

Go to Settings > Apps & services > Apps, touch the menu icon in the upper right corner, and select Show system processes. Then search for AudioAccessoryManager and view the version information.

To update AudioAccessoryManager:

1. Update EMUI or HarmonyOS to its latest version.
2. Update AudioAccessoryManager from HUAWEI AppGallery:

   Method 1 (recommended): Open HUAWEI AppGallery, go to Me > Settings > Auto-update apps, and select Wi-Fi only or On. AudioAccessoryManager will automatically update to the latest version.

   Method 2: Open HUAWEI AppGallery, touch Me, and find AudioAccessoryManager to update it (if you're unable to find the app there, it means that the current AudioAccessoryManager version is up to date).