Before logging in to your account, spend a few seconds to check that you are on the correct login page, as ‘fake’ login pages are common. And how do you make sure that you are on the official T-Mobile login page? The Sign In page should look like th screenshot above and the login URL should begin with: https://account.t-mobile.com/oauth2/v1/auth , followed by local parameters.
t mobile login – mytmobile