Payments

Hi
I’m a new customer. Could someone explain me how the bill payments work, please?
I received an sms requiring a payment of an amount that I already submitted about 1 week ago.
Thanks for your help

See: https://help.bulb.co.uk/hc/en-us/articles/115003405632-How-do-payments-and-statements-work-

I don’t think Bulb send any SMS. Are you sure the message was from Bulb?