We can't as this is a community of other o2 customers.
It might be that they are part old tariff and part new.
It might be that there are additional charges.
You need to check the bills yourself, and if you think they are wrong you need to call customer services
@Nigel404...
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 Do not publish personal details (email, phone number, bank account).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
