Hello, Ericzku. So sorry to hear about this. We'd like to take a closer look. Can you please send us the nearest cross streets and zip code so we can check the network performance? Have you tried taking the SIM card out and restarting the phone?
Hello ianshmian805. I am sorry about the issue there with your phone. Please try the following; On your dial pad enter ##72786#, say Yes Or OK to all you see. This network reset will get it out of roaming. Please keep us updated.
Hello, @momma385. Thanks for contacting us. This is a known issue Samsung is experiencing with the new update to the Android 9 Pie. They are currently working on a fix for the recent update. We recommend you check System Updates to make sure that you receive it. Alternatively, we suggest you contact Samsung for further assistance.