How unlink EA from Steam?

Hello. You'll need to wait until an advisor can update the email on your account. The best I can advise is to try contacting them again.

Same problem.  I bought BF1 from steam.
it says my EA account already linked to a steam account.
and i can't unlink that steam account no matter EA app or their EA official website.

First, i can't confirm which steam account is this.
          Maybe i am going to link my steam account to EA that already linked.
         Serious, who can tell which steam account is this?

Second, I press the the unlink button and nothing happend.

Well, i understand the easy way to launch BF1 is to create another EA account.
but...  my EA account created from 2012.  An ancient account from Origin engine..   
I wish that i can keep my EA account with all of my games.

I did it, but they always write: 

Thanks for waiting, it looks like we are having some technical issues with our tools that are causing us to be unable to retrieve account details and are getting an error, however, this issue has been resolved by our technical team and they are working on the tool to fix it as soon as possible, as soon as the tool is fixed, we we can continue to help you. I would advise you to wait and contact us in a few hours to check if the tools are working, and you can save this referral number [239668812] for future reference. I hope you will understand and accept my apologies for the inconvenience.

After that, nothing happens. I wrote at first on 9th March and a problem still exists and technical team didn’t do something, but I wrote THRICE and always gave this message from they.

Hi there. I recommend you contact an advisor to get some assistance with this. It's best if they can update the email address instead of unlink the account. You can open a case by using the 'Contact us' button at the bottom of this page. Thanks!