Ah, so your free WiFi is not 'here is the code, fire away' it is actually 'login using your email, phone number and name (all mandatory fields, natch). We totally promise not the spam the shit out of you and sell on your details'.
*tap tap tap*
So just entering a series of o or 0 depending on the field doesn't work eh? For my 'convenience' eh?
*tap tap tap*
Well, good sirs, you now have a certain Foxtrot Oscar, mobile 07000 000000, email FoxtrotOscar@youbastards.com, using ur internets.