How to activate voicemail feature in my s21fe

Samsung video app not working...App automatically closes within seconds..Any help..

I'm experiencing hissing sound in my samsung IC050 earphones while calling with my S21Fe and the mic also not working properly while calling (on voice and video recording working properly).The same earphones working properly in Techno Phantom phone.I...

Will S21 FE get beta testing upgrade? If yes please someone tell me, when.If not then will we get stable upgrade of One Ui7