No service on iphone 4s at places i used to get perfect signal?

I have a verizon iphone 4s and i literally used to get service EVERYWHERE and lately i've barely been getting any. Like at my house, my brother has an iphone 4s too and he gets perfect signal and i sometimes have absolutely none.

this just started happening like a week ago, what's going on?

Considering your brother has the same phone and he gets perfect signal there might be something wrong with the antenna inside your phone. Take it to apple or to Verizon to see what the story is.

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