hello I deleted my email before I changed my Samsung account and now I can't change it or access it. any idea what I should do

I had my calls forwarded to my cousin's number before I got this phone and now I'm trying to disable it and it isn't working at all. But I have to. Whenever the phone is unreachable the calls get forwarded to her and it is a mess. Help please

hello. I've just bought an s8+ phone but I have no idea how to activate bixby's voice recognition. any clue?