These are the beta OTA updates available for the HomePods.
- 11.x: 11.2, 11.2.5
- 14.x: 14.0, 14.1, 14.2, 14.3, 14.4, 14.5, 14.6, 14.7
- 15.x: 15.0, 15.1, 15.2, 15.3, 15.4, 15.5, 15.6
- 16.x: 16.0, 16.1, 16.2, 16.3, 16.4, 16.5, 16.6
- 17.x: 17.0, 17.1, 17.2, 17.3, 17.4, 17.5