In Few mobile unmute and mute option is disabled even we restrict from api with sdk
’mute_upon_entry’ => !empty($data[‘option_mute_participants’]) ? true : true,
Hi @dronaedue, thanks for using the dev forum.
The category you have posted to is for our Video SDK. Since you mentioned using the API, it seems like you may be using our Meeting SDK. If that is the case, please try posting over in #mobile-client-sdk:android. 
Thanks!