Mobile data is not working indoors in samsung galaxy s4 mini

[AC Question]

I have got new Samsung Galaxy S4 mini, I am not getting mobile data inside home or any another building,,,, but getting whenever i come outside, can anyone tell me how can I get connected to internet indoors also...

 

[B. Diddy]

Welcome to Android Central! Which wireless provider do you have? Some providers use bands that don't always penetrate into buildings that well (like T-Mobile).