Hi @gzhn3nfb06bb,
If your date of birth was input incorrectly, you'll need the help of the EA support team to update that. There are restrictions in place that remove that option on underage accounts to help prevent minors from tweaking their date of birth to get around the restrictions and access features like online game modes and chat.
If your account is set to underage by mistake, contact the support team directly so they can help you update it. The fastest way to get it is by contacting us in-game. ...
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