For all eFootball support, please go to the FAQ below. Be sure to select your region and platform before taking a look around to find an answer to your question.
https://www.konami.com/efootball/faq/0/en/
If you're unable to find your answer, then please go to the bottom of the page and click 'No' in answer to "Is the problem solved?". From here, you'll be able to fill out a form to contact our dedicated eFootball team directly, who will be more than happy to help you further!