New answers tagged voice
I have had a similar problem to this. In my case, it was caused by the SIM card coming loose. Try the following steps:- Turn the phone off completely Remove the SIM card Reinsert the SIM card Turn the phone on again and then see if you can make a call and use mobile Internet. If it happens repeatedly, you might need to wedge a small piece of paper in ...
I had the same on my galaxy 4. Eventually I called AT&T and they fixed it on their end.
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