Visit the MY ACCOUNT area of the Self Care. Over there, you will be able to access all of your information.
The name you used to register to BNESIM, your username, the socials you have linked to your BNESIM account, your email, the details about your payment method, your addresses, and your subscriptions. Tap EDIT if you want to update your information. You can also manage your voice, data, and DID subscriptions if any.