perhaps because your question is al bit too unspecified ?!
give more information concerning your issue - perhaps then s.o. will propose a solution. Or check all the threads here, dealing with connection problems.....
Link your game to your Game Center account to save your game progress. Bring your progress with you if you switch devices.
Try these steps first to clear up any problems you may have when connecting to an EA game.
Reset, update, or link your account information.