@MC73
There is nothing we can do to help.,, as we are all customers like you.
If you cant find the option under Your Sim then you need to contact Customer Services all the details are here Guide: How to find help & contact O2
In the mean time you can use your old sim card in the phone if it hasnt been cut off.
- Xperia 1V - o2 and Spusu
- Pixel 8 Pro - o2 and Vodafone UK
