First off: There’s no direct way to update AirPods firmware. When Apple updates AirPods software — as it just did for AirPods Max — the update happens automatically, in the background.
However, there is a way to speed up the update process. Plus, it’s a good idea to manually check you’re running the latest version, which brings bug fixes and sometimes great new features.
As noted, Apple most recently released fresh firmware for AirPods Max, taking the over-the-ears headphones to 6A325. (You can find other current AirPods firmware versions below.)
Here’s how to check if your AirPods are running the latest firmware on iPhone, iPad, and Mac. Plus what to do if they aren’t, and how to force AirPods firmware to update.