Tmobile 5g home internet + Xbox Series X not compatible

I have had success with the T-Mobile internet gateway and my xbox series x since day 1 but it did take a minute. Perhaps my gateway is on a different firmware than yours? Also, I believe I first hard wired into the gateway via line, then was able to config the XB to connect wirelessly… have had no problems since.

Gateway

Rossndallas wrote:

I was playing Xbox live no problem the first 3 weeks I had my T-Mobile 5g box now I can’t play it says UpNp unsuccessful..

Same here with my Nintendo Switch. During the 15 day trial, it was running fine and I was getting NAT Type B or PS5 NAT Type 2.. now all of a sudden the NAT type became strict/Type D

I was playing Xbox live no problem the first 3 weeks I had my T-Mobile 5g box now I can’t play it says UpNp unsuccessful..

Mine will work only if I hard connect to the Xbox using a cat5e cable. 

Is anyone else having an issue with their 5G home internet service. Our service keeps dropping. The send us a new gateway and like always it runs fine for about a week or 2 then service drops right in the middle of the day. It doesn't start running smoothly until hours later.

This is for the silver/grey cylindrical router/modem. Look at the bottom of your router and there will be an IP address with a user name and password (never share that password and user name with anyone). In any browser go to the address bar and type in the IP address just as it is printed on the bottom. It should look something like 192.168.12.1 I'm not sure what the default IP address is off hand. It will take you the router "web page" You'll be asked for the username and password. Once you get logged in you'll be able to follow my previous post. 

JayRAH20 wrote:

I found a couple things to try. I have it connected now. Try connecting to your wifi, but intentionally input the wrong password. Then try to connect again and input the correct password this time. Some have said they've had luck with that. 

What I had to do: Log into your router using your web browser. Once in there you will select networks from the menu. (You can select either 5ghz or 2.4ghz. If your Xbox is close and gets a good signal I would select the 5ghz network). From there you will find a drop down that show SSID 1 if you use the 2.4ghz or SSID 6 (I think) if you select the 5ghz network. On the drop down select the next SSID. You will change the name to whatever SSID you want. Then you will see a spot for a password that you can change. Change that to whatever you want. Just remember it. You are basically creating another network on your router. Go back into your Xbox. Find your new network and log in. Don't ask me why another network SSID works and the original one doesn't.

Is this with a specific router? How do I log into it on safari?

I found a couple things to try. I have it connected now. Try connecting to your wifi, but intentionally input the wrong password. Then try to connect again and input the correct password this time. Some have said they've had luck with that. 

What I had to do: Log into your router using your web browser. Once in there you will select networks from the menu. (You can select either 5ghz or 2.4ghz. If your Xbox is close and gets a good signal I would select the 5ghz network). From there you will find a drop down that show SSID 1 if you use the 2.4ghz or SSID 6 (I think) if you select the 5ghz network. On the drop down select the next SSID. You will change the name to whatever SSID you want. Then you will see a spot for a password that you can change. Change that to whatever you want. Just remember it. You are basically creating another network on your router. Go back into your Xbox. Find your new network and log in. Don't ask me why another network SSID works and the original one doesn't.

We are having this issue all of a sudden.  It has always worked fine and just stopped working.  Anyone have any luck?

I currently have the same issue. Did you ever get yours resolved?