What type am i?

I'm not sure what type i am, my sister says im 3c but i think im 3c/4a the weird thing is i have big waves in the back of my head, and the edges thave not that much definition also i have lots of curls but i confused.

3 Answers

Can we see a pic of the hair loose? That might help figure it out. 
It looks like type 4 hair to me.
4a, mine is exactly the same ♡