but use her re4 head cut-scene texture and try to make is sexy looking
In my opinion, we need to change her hairdo instead of her face cuz it ain't a big deal. Re6, she cut her hair into a short bob cut but with a bit weaving style. Re4, she has a short sporty hair with a bit spiking edges yet soft looking.
For Re4 fans, they decide to see her with Re4 hairdo. For Re6 fans, they decide to keep her Re6 hair because it fits her gesture.
Some reason has spoke that her Re4 hair is like a fake/glued to her head.
I don't know which better, the only big deal is yea.. her hair.
Face ? Re6 did an improvement to her face. Now she looks a bit mature and cold.
And again in my opinion, Re4 did her face with a girly looking yet blurred at some ways. Hate to say this but her lips kinda weird, lolz.
But, those all above are just in my opinion, I'm still respecting your desired Ada, EvilLord !
I hope someone could make Ada in her Re4 Red Butterflies Dress. Damn, the only thing I love from her in Re4 is the Dress, Red Dress !
EDIT : Considering at the time, when CapCom was making Re4 with a limited technologies than the times Re6 has made with. I started to think, that's why her looks a bit un-realistic even in some renders.