React Native Throw Network Error when Fetch .NET CORE 3 webApi

I'm trying to fetch a WEB API create in .NET CORE but the return is always Network Error, i'm using axios to fetch api. I'm using the URL with my ip adress(https://MY_IP:1258/)(just like when i create Node api's) and already tries CORS solution(not work)

I had already tried to fetch PokeApi and it's OK.

Thats the implementation on axios, simple

Api get on my real android device

The Error