How do I update AirPods Pro firmware on iPhone 11 Pro Max?

AirPods generally need to be charging and in Bluetooth range of your paired iOS device to update their firmware. The charging case needs to be closed, plugged in, and in range of your iPhone, iPad, or Mac. Firmware updates are usually automatic and happen while the AirPods are charging and connected to a WiFi-connected iOS device. 

"How do I update AirPods Pro firmware on iPhone 11 Pro Max?: How do I update my AirPod Pro to the latest version on my iPhone 11 Pro Max"

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Updating Airpods to the Latest Firmware:

Connect and pair these to a device that itself is already connected to the Internet. The firmware will be updated itself.