Why can't I get 4g/3g while off of wifi on my LG G3 (At&T)?

[AC Question]

Cant get 4g/3g while off of wifi on Lg G3 (At&T)

So my wifi works fine, its just when i switch off wifi or it goes out of range of my home i dont have an internet connection

 

[belodion]

Re: Cant get 4g/3g while off of wifi on Lg G3 (At&T)

Welcome to AC.

A faulty SIM or SIM reader perhaps?

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