sim card

[parminder_43]

hi I had a replacement similar do I need to register it

[parminder_43]

sim card

[Cleoriff]

Hi @parminder_43 

Have you tried it in the phone and does it work?

If not look here https://www.o2.co.uk/help/phones-sims-and-devices/activating-your-sim 

You may need to call customer services to activate Guide: Coronavirus Community Help and Support