Unhappy [Q]Korean F180 PSX Network Error

Hi guys.
I'm Korean SKT F180S User.

My Phone is F180S.
And I want to use PSX Rom.
So I Install PSX 12/2

BUT!!
I don't use DATA NETWORK!!!
So I reInstall PSX Rom.

And It's the same...


How I Fix or use MY LTE DATANETWORK??
I Need that FAST!!
And I REALLY WANT TO USE PSX ROM!!