Does anyone at AT&T realize how terrible their service is since they implemented LTE band 30? I have been fighting this problem for a year now, the only way I found around it is to only use unlocked phones that do not have band 30. I have tested this with multiple phones (6 different phones). What were they thinking when they added such a high frequency band and the worst part is once your phone latches onto band 30 it's like a dog with a bone, I get better signal strength inside a concrete and steel building on bands 5 and 2 the I do outside in a good signal area on band 30. Now even newer unlock phones are coming with band 30 on them and they do the same thing. I'm going to try T-mobile on pre paid for a month, if that works then I'll leave AT&T after 16 years.