Hi Chelseafc1905,
Thanks for taking the time to contact us via the Community. It's lovely having you on board with us in the Forums. ⭐
We're sorry to hear you are still waiting on your O2 SIM. Usually this is arranged once your account is set up.
If you are still waiting, please contact O2 directly for them to check things for you. You can find their contact options here.
Keep us posted on how things go.
Thanks,