I'm sorry, this isn't something we can look into on the forums. If you believe the ban was mistakenly added to your account by EA, then you can send in an appeal to the Terms of Service (ToS) team. This FAQ will be a helpful guide for all things EA Bans and Suspensions - How they work and how to get in contact with us.
However, if the ban was applied correctly because rule-breaking took place then sending in an appeal would be redundant. Contacting the ToS team is only advisable if you believe the ban you received was added by mistake/no rules were broken. There is no purpose reaching out to the ToS team aside from that as they will not overturn bans if the rules were broken and creating appeals for legitimate bans adds more to the queue and causes the wait times to spike.
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Please only DM me if I've asked you to, or in the case of highly sensitive content. General questions/issues/topics are best shared on the forum where others can take part/benefit from the responses/solutions/workarounds