I use Mint Mobile here which is a MVNO that uses T-Mobile. I don't get cell reception at my house. But my sister uses AT&T and gets full bars here while my phon

I use Mint Mobile here which is a MVNO that uses T-Mobile. I don't get cell reception at my house. But my sister uses AT&T and gets full bars here while my phone is dead. And by dead I mean it doesn't even connect. So maybe went Gig went cheap when choosing a cell partner.