The platinum trophy in FIFA 12 was no longer possible because EA not update the daily challenges, and the trophy "Challenge Accepted" is Unachievable. In the UEFA 2012 Cup DLC, EA republished a challenge with extended expiration. What we can do now is ask for EA repeat the solution to the main game. To help us, what can be done:
1 - Open a case on the EA site complaining about the problem:
2 - Go to the site below and in the first post, click on "Me too" to indicate that you also have the problem. And post your dissatisfaction with the end of the challenges:
Why the daily challenges in FIFA12 are no longer being published? - Answer HQ
3 - Access the site Gamechangers EA and vote "yes" in the idea "FIFA12 Challenge Accepted (give us a last challenge)" on the FIFA topic:
I and all of FIFA 12 players who are having the same problem, thank you for your support !!!