React-native: Access to fetch at 'http://192.168.0.26:8081/index.delta?platform=ios&dev=true&minify=false' from origin 'http://localhost:8081' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

[Steffi3rd]

I try to open my app from my "success" build on real device.
It compiles but white screen, then on debugger I have this...

How to solve that please?

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[Steffi3rd]

If you use React Native Debugger :

$ open "rndebugger://set-debugger-loc?host=192.168.0.26&port=8081"

[turnrye]

I'm sorry that you're having issues getting up and running. Just change the URL up top to say "localhost" rather than "192.168.0.26".

In the future, please use another avenue like stack overflow to request help with your local environment -- this is not a bug report despite your label.