Turn off WiFi on T-Mobile Home Gateway

OMG - OK so that's pretty pathetic.. I just received my grey GW today and set it up. After a few failed connection attempts through the app, turns out that the app needed an update. 

I am very close to the T-Mob tower -like ½ mile. My connection is excellent with 5 full bars and great 5G speed on my phone. 

So far, I am hitting 340Mbits down and 42Mbits up w ~20ms (or less) ping times. Ethernet connection to GW shows gbit up/down but no noticeable difference in internet speeds or ping. (in a handful of first pass tests). 

WiFi coverage from this box doesn't seem very good. From my office on the same floor and 100ft away, it drops significantly. 

I have an Asus ROG GT-AXE11000 router so it makes absolutely no sense to use the T-Mo GW as my wi-fi router. 

So I ask WTH?!?!

Why not provide an advanced tab on the T-Mo router to allow some advanced settings -or even- frankly a “hidden” unpublished page that would allow an advanced user -or even a basic user with a mesh wi-fi system to go in and configure additional options such as disabling wifi altogether?? 

Hmm… Quite a fail in my opinion - I am sure this was done primarily to reduce support calls -but to be honest -this will have the opposite effect as to increasing calls by frustrated users who are coming off other providers -especially those with owned cable modems who have their own wifi routers.

If it was a hidden page -this would address the concern about a novice messing up settings while at the same time allowing a more advanced user to configure the things they need (like disabling wifi, setting static IP, changing DHCP scopes, etc..) Sheesh.. Come-on T-mobile -At minimum -let us disable wifi! Please… 

So, I will spend the next few days playing around with things but hoping to minimize wifi interference between the Tmo GW and my personal router. 

If anyone has a simple known “secret menu”, “hack” or other means to disable wi-fi please share it.