1. After logging in to the account to participate in the meeting, select "Optimize for all voices" before exiting the meeting. You can keep this setting the next time you participate in the meeting.
2. However, if the guest participates in a meeting, or uninstalls the app after each exit, and then reinstalls the app when participating in the next meeting, the "Optimize for all voices" setting in the previous meeting will not be maintained，will return to the original "Noise removal" setting.
3.So , user is looking for a way to set the default setting to "Optimize for all devices".