There should be options for livechat and/or email at EA HELP.
Have you tried the email registration scheme as yo said that you signed up for it.
Tap on the cloud at the bottom left of the loading screen.
Then tap on the register email address button.
Enter the email address that you used to set up the scheme, making sure that there isn't a space after it if you used autofil.
Remove the keypad by tapping the down button.
Tap continue.
Enter the code sent to your email address and you should get your account back.
Here is my screenshot…
This is what i get.
Obviously i input my email address and the button turns purple.
