Re: bios lenovo ideapad 330-15ikb

hey guys so i have lenovo ideapad 330-15IKb 81DE and i need to rollback my bios as after i updated to win 11 somehow my mic stopped working ,, ive tried every possibel solution for fixing even changed the microphone but no results so i need the bios that laptop shipd with if any one has the untouched bios for 330-15ikb 81de it will be helpful