Does the old sim still work @HT2 ?
Does the new sim work at all, or nothing?
If nothing at all then it could need activating or indicate a fault. Try visiting your local o2 shop to get a new one.
Alternatively speak to customer services and ask them if they can send a new sim out.
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
