Apple has issued new firmware updates for third-generation AirPods and AirPods Pro.
The AirPods Pro get firmware version 4.0 (4A402), a slight change from the previous 4A400 build. Third-generation AirPods get version 4.1 4B66. Apple hansn't provided release notes or any reason for the difference in build numbers.
The new firmware is installed automatically for users, with no mechanism available to manually force an update. As long as AirPods or AirPods Pro are in a charging case and connected to an iOS device, the firmware will install by itself.
How to check your AirPods firmware version
AirPods users can check the current firmware for their audio accessories within the Settings app.
- Open the Settings App
- Select General
- Select About
- Select the AirPods you wish to view
- A menu will appear showing relevant device information