AT&T Lose Band 14 With Dual-SIM FirstNet
 

Hey all, just a heads upfield thinking about going Dual-SIM. I currently have AT&T FirstNet and decided to add a second line (T-Mobile) to my iPhone XS Max, in an attempt to fill the dead spots while I’m at work. The sad reality is that I completely lose Band 14 on AT&T when the second line is...

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Courtesy of WestNet Wireless
www.westnet.ca