The information in this article applies to all AirPods version.
On the iPhone, go toSettings>Bluetooth.
Tap theiicon next to your AirPods.

Scroll down to theAboutsection.
TheVersionline tells you what version of the AirPods firmware you’re using.
Notice that there’s no button to update AirPods firmware like there is toupdate the iOS.
That’s because Apple doesn’t allow users to perform this update.
Instead, AirPods firmware is automatically updated whenever a new version is available.
If an AirPods firmware update is available, it will be installed after you follow the instructions below.
Put your AirPods in their charging case.
Connect the charging case to a power source.
check that that your AirPods and case are physically close to your iPhone.
Do AirPods Need to Be Updated?
Yes, AirPods do need updates.
Firmware is the software that runs on some gadgets and devices to provide their features and functionality.
Think of firmware as being like the operating system for devices like AirPods.
Your AirPods should update automatically.
It’s not currently possible to update AirPods from an Android machine.