As a default o2 block any websites identified as carrying adult content - this is based on OFCOM rules @Suman .
If you are a pay as you go customer you will need to do this either in an o2 store or by calling customer services.
If you are a pay monthly customer you can use the My o2 app or website.
There is a community guide on how to remove the block which is linked below:
Guide: O2 Age restriction
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 Do not publish personal details (email, phone number, bank account).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
