You don’t need a Home Hub just to unlock locally with Home Key. However, a Home Hub (HomePod, HomePod mini, or Apple TV) is required to:
- Share Home Keys with other users
- Control your lock remotely via Apple Home
- Run automations and scenes
You don’t need a Home Hub just to unlock locally with Home Key. However, a Home Hub (HomePod, HomePod mini, or Apple TV) is required to: