Click 'Steam' in the top-left corner, then click 'Settings'.If this is happening for you, here's what to do: On subsequent launches of the game, however, you may be asked to verify your number again despite already doing so - and Steam may not let you verify it because you've already done so recently. The first time around, simply click on the 'Go To Steam Account' button and you'll be prompted to enter a phone number (if your Steam account doesn't already have one), and then type in the short verification code that Steam will send you via text.Īfter that, close the Steam window and click on 'I Already Added A Phone Number' to continue onto whichever game you're trying to play. If you're one of the many Steam players who is stuck on the 'Mobile Phone Number Required' screen after launching one of the new Call Of Duty titles, here's how to solve it.

Watch on YouTube How to fix the mobile phone verification issue in Warzone 2 and Modern Warfare 2 The answers to your questions (and more) lie within the video above. Manage cookie settings Unsure what gun to choose in Modern Warfare 2? Confused which weapons pair best with one another? Look no further. were all tried to no avail.To see this content please enable targeting cookies. Deleting all internet cookies/history/passwords for the steam client browser, my local PC's browser, uninstalling/re-installing steam, checking port forwarding on my router, etc.

I created a dummy account and was able to authenticate without any issues. I verified it was an account issue as I tried logging in even from my cell phone's browser without being connected to wifi so I could be sure I was using the cell network to rule out local network or client issues. I could not submit a support ticket due to this problem as it would again try to do the login verification and say it could not reach a login server. I'd authenticate and put in my steam guard code but it would just go back to the login page (steam client would authenticate and show me logged in).

In fact, in my case I could not even log in to steam via a browser. I was able to log in to steam from the client but my wishlist was inaccessible, I could not buy games due to the login verification popping up and failing, etc. In case anyone else is searching the web and finding all the solutions provided didn't work for them, I had a completely separate resolution: I had to remove steam guard and re-add it.

Steam stuck verifying login information