on 03-04-2020 08:11
on 03-04-2020 08:21
The easiest way would have been to upgrade.
Where did you get your new SIM from and how have you transferred your number?
Is the number transfer complete?
on 03-04-2020 08:44
03-04-2020 08:55 - edited 03-04-2020 08:55
03-04-2020 08:55 - edited 03-04-2020 08:55
OK, as this was a new contract you will need to reset your MyO2 to pull in the new contract details.
You will need customer services to do this Guide: How to find help & contact O2