on 28-05-2024 08:51
I have received my new monthly SIM card, called 02 last week to have my old number attached to the new SIM card but it has not been done??
on 28-05-2024 10:16
If this is O2 to O2 you can do a sim swap Guide: Sim Swap: a mini guide 2017 update
Or contact O2 again to give them a nudge Guide: How to find help & contact O2
Guide: Migration & porting into O2