How to firmware update Beats Studio Wireless, Model: B0501

PS: Online article:

Set up and use your Studio3 Wireless headphones - Apple Support

Says:

"Update your headphones

If you pair your headphones with an iPhone that uses iOS 11 or later,

your headphones automatically update to the latest firmware.

If your headphones aren't paired with an iPhone that uses iOS 11 or later,

you can use the Beats firmware updater."

If the "Related Article" above your question hasn't helped:

You may need to contact Beats Studio Wireless Support:

https://www.beatsbydre.com/support/headphones/studio-wireless