Yes you can, just avoid doing it during the movie
You can. I turn my phone on silent though when the movie is on.
Depends on on your Carrier If There's Network service in All Local theaters
Depends on your cell phone carrier some dont work inside buildings where towers are ubstructed otherwise yes they do work just refrain from using it while movie is plying if it is an emergency I sugest to go out to the hall of the theater have a nice day
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