Please read our instructions carefully!
If you are NOT an O2 customer, get your free O2 SIM card here and start enjoying this freebie, as well as lots of other freebies!
If you ARE on O2, head to your Priority App and look for this freebie.
O2 have have teamed up with WHSmith to give Priority customers a free box of Christmas cards again this year - what an amazing freebie!
Once you've got your free sim, pop it in your phone, download the Priority app and away you go to start claiming your freebies.
Find the offer on your Priority Moments app, and pick up yours from WHSmith High Street stores only whilst stocks last. There are so many to choose from, which pack will you go for? This is another great Christmas freebie to tick off your list.
This excludes premium boxed cards priced at £8.99 or above so double check before you head to the counter to claim your freebie.
Subject to strict availability, so be sure to grab yours before they run out! What a great freebie from O2.