NAT Type suddenly changed to strict using iPhone hot spot.

I am on a college campus and the internet provided is too slow for online gaming. Given so, I have connected to xbox live via the hotspot on my iPhone 7 (using AT&T) for the past year. Because I have unlimited data, this seems to be the cheapest solution
to achieve internet connection strong enough for online gaming. However, two days ago my iPhone hotspot suddenly stopped working with my xbox one. After using the hotspot for an entire year this is the first problem I have encountered with not having an open
NAT Type.

My NAT Type is now Strict. I receive the error "UPnP not successful". Most of the forums I have read say that you can not open your NAT type while using a phone's hotspot. But I have used my iphone's hotspot for a year until just now encountering a strict
NAT type.

Any help or suggestions are appreciated.

Thank you

:)

 

Open NAT?

My NAT is strict I've tried all the steps. I'm using a mi fi hot spot

 

NAT type strict on mobile hot spot

Okay I have AT&T mobile hot spot because I live out in the country and that is really my only option at the moment. Now I use to have Verizon and never had an issue with my NAT type and if I did I could just restart the Xbox and the internet and be totally
fine. The only reason I switched is because AT&T has unlimited data. With the AT&T hotspot the NAT is strict and I can not seem to talk to the right person at AT&T to get a solid answer. I have been told that it can be done and then told that it can not. So
has anyone had an issue with this or know of an answer that would be great.

 

Hey,

So i have done some digging and have found out that "Due to the nature of smartphones or mobile hotspots, I’m afraid opening a NAT type is not possible without first tethering your phone to a computer (laptop). This is mainly because these mobile hotspots
and smartphones do not support a UPnP routing option."

There is a work around that you can try and can read the article here (Open Nat Type On Phone Hotspot)
but apparently it will slow your speeds down and may not work 100%.

 

Yo man, idk if youre going to get this notification or not, i hope so. Im literally in the same exact situation. A year and it stopped working, literally everything. Did you find an answer anywhere?? Have you fixed it?? What should i do? Like i said i
really hope you get this notification so i can talk w my friends again.

 

same problem, same day...

lmk if u find a solutions please

 

same problem... lmk PLEASE if u figure anything out