You need to get in touch with customer services @Ezg626 to find out why your phone is not working, and to do all the other things as well.
All ways to contact o2 are in this guide - Guide: How to find help & contact O2
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 Do not publish personal details (email, phone number, bank account).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
