I've installed Zenkey on my Oneplus 7Pro. But I get an authentication error saying it won't work with my SIM card. How do I get it to work? TMobile says it supports Zenkey, but I can't find anything about it on the website.
Best answer by tmo_amanda
Thanks to the help of @mike.engan we were able to track down some answers and get this handled. I do want to verify that he's a T-Mobile employee -- we just didn't have him badged as one. If you run into the same issue, you'll need to go to https://my.t-mobile.com/account/profile/tmobile_id to set a new user pin.