I'm not sure of what process you go through when designing a character like this, but I think it's always a good idea to have a bit of a plan on where you're going before actually starting to draw. You don't need to be very detailed about this, but basically think of a bit of a backstory for the character, what's her personnality may be like, in what kind of world or environment does she evolve and other questions like these. When you have answers for those, then it should naturally push the direction of the design into something that's more cohesive and hopefully unique.
I think the lack of cohesion is probably the biggest issue with her right now. If you look at the upper part and lower part of her it almost feels like they each belong to two different characters. The top part feels perhaps like she'd be living in some sort of cyberpunk winter world, while I get more of a grungy post apocalyptic vibe from the waist down.
Also the cybernetic arm is cool. I'm not sure what was your idea for it, but its design feels a bit bulky and strong so maybe it's more power or fighting oriented. But I feel like nothing about the rest of the character really supports those attributes if that makes sense. To me she feels more like a traveller or a researcher.
I hope this didn't come as too harsh as I think she's well painted and overall the individual elements are cool, but they just don't quite work together as well as they could. So yeah, just think about who your character is and the world she lives in a little bit and just use those infornations to make everything more cohesive.
I hope this helped