lilllill see post above in full. Payback isn’t paid out yet. There is a link for payback timings in my post as well. Please check that out.
I saw you posted in another thread about referring people. It will be part of the calculations that are ongoing if you met the criteria, ie you ordered sims from your own spread giffgaff account or gave them your referral link etc.
To check check for your recruits log in here https://giffgaff.com/spread/recruits