Is it true that if I purchase a cellphone  directly from the manufacturer that does NOT have any assigned carrier but IS listed as a compatible device and is sold at a higher price at the AT&T store...is it factual that I will be unable to make calls through Wi-fi when no cell signal is available? I

The past two days my Samsung s6 active has been dropping calls, not receiving calls or text and not sending text or making calls. It's very spotty.  It seems to do it more between 4pm and 8am. I've missed several business calls due to this issue. I've noticed that when the LTE disappears and it's ju

I have had AT&T Uverse home phone service for a couple months now & it's horrible.  I'm now locked in for 2 years & am not going to be able to handle this. First problem is half of my calls never reach me.  My daughter & husband call frequently & end up calling my cell phone asking where I am.  I am

Okay so I just recently changed password on the MyAT&T app, and later on when I went to look at the data, text, and talk logs all they had was mobile data. No text usage or talk usage. Why is this missing? Can someone please help me find a fix

Far as I know my problem is with calls. I can walk 2foot from my front door outside an it will make a call. Go back in standing at my front door it does not . What could be the cause?

This isn't going to make any sense but, When manually turning data off for my iPhone 7+ on the AT&T website to limit overages, the phone loses the ability to make or receive phone calls. Now I work in I.T. and immediately thought this is bull, there should be no reason a phone requires data to funct