Is your phone connected to the network @Suny ? Can you see that your phone is getting signal?
Have you missed paying for a bill and so have been cut off?
If you give us a little more information about what is going on then we might be able to offer more advice.
Best thing might be to call o2 - there are some alternative numbers and hints on getting through in the guide below.
Guide: Coronavirus Community Help and Support
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 Do not publish personal details (email, phone number, bank account).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
