I had the static issue on verizon with a 4s. I returned it and switched back to AT&T. I didn't know the static was verizon or the phones fault but only had 12 days to find out.
I can see the cellphone tower from my house and get full bars with either AT&T or verizon.
I can see the cellphone tower from my house and get full bars with either AT&T or verizon.