It will be backdated to the day you called for the forms or if you printed them yourself the day they scanned them.
As for a text, not everyone receives a text or any form of notification that they have been awarded other than a letter which usually arrives after a payment. I would just keep raining everyday, you won’t get the same person so don’t worry about speaking to anyone who’s rude or unhelpful! I’m not sure about the UC journal as they are two separate things so I think it’s unlikely you’d find out via that x