So you can either transform it from Public to Shut or Closed to Secret, but you can't alter a secret Group's privacy, neither can you make a closed Group public.
Ya mere, ị nwere ike ịgbanwe ya site na Public ka Emechi ma ọ bụ Emechie ka Nzuzo, ma ị gaghị agbanwe nzuzo nzuzo, ma ị gaghị emechi ọha na eze.