
The build number of the newly released beta firmware for the AirPods Pro 2 is 7A5220e1. This update is available to developers and may include new features such as head gestures, Voice Isolation, and Personalized Spatial Audio for gaming.

Users can control Siri on the AirPods Pro 2 using head gestures by simply shaking or nodding their head2. This feature allows users to accept or reject phone calls without having to speak out loud. For example, if you receive a phone call, you can shake your head 'no' to reject the call or nod 'yes' to accept it5. Siri interactions can also be used for responding to incoming messages, calls, and notifications. This feature is especially helpful in crowded or quiet areas where users may not want to speak out loud.

The new beta firmware for Apple's AirPods Pro 2 introduces several features that are supported by iOS 18. Some of these features include:
Head Gestures: Users can control Siri on the AirPods Pro 2 by shaking or nodding their head. This feature allows users to accept or reject phone calls through head gestures.
Voice Isolation: This feature aims to reduce loud background sounds, making the user's voice clearer and easier to hear during conversations.
Personalized Spatial Audio: Specifically designed for gaming, this feature allows game developers to integrate spatial audio into their games, providing a more immersive audio experience for players.
These features are expected to enhance the overall user experience of the AirPods Pro 2, offering more control and customization options, as well as improved audio quality.