3G problem

[DragonHeart15]

I am having this very same issue in the US. I bought the Star Note II online and was super excited when the phone arrived. But after a struggling month of trying to use the phone on AT&T's network, I am fed up with the switching from H to H+ to no symbol above the signal bars at all when it chooses to disconnect. I have to fix this issue soon because my father has bought a similar phone after seeing how much he liked mine.