So, you have been enjoying the great sounds and industry-leading comforts offered by Bose QuietComfort Ultra Earbuds and Ultra Open Earbuds with their immersive audio, comfortable design and private sounds. But, it does not allow you to seamlessly switch from one device to another.
Now, Bose integrates such convenience with the new multipoint Bluetooth connectivity feature. It enables you to connect to various bluetooth devices at one time, so switching is a breeze if you need to especially when taking a call.

Bose users can now enjoy the convenience of using multiple point Bluetooth connectivity tool from the latest software update for their earbuds. All you have to do is install the update via the Bose app.
How to Update Bose QuietComfort Ultra Earbuds & Ultra Open Earbuds

Note that your Bose app will automatically download the update once available. You will easily know if an update is available once you enable the app notification.
After downloading the new software version, the update will be transferred to your earbuds. Note that you need to keep your earbuds connected to your Bose app during the transfer. It will take about 40 minutes so do not take your earbuds away from your phone.
After the transfer, select Install Update. Next, choose Update Now and complete the process based on the instructions on your screen. If the app asks you to place your earbuds in the case, follow the instructions and wait for the process to complete. To know that the update is done, the lights on your charging case will stop scrolling.