@kaiyue Credit on the account can not be used directly against data usage. You’ve even got a text stating you need to purchase an add on or pack. Credit on an account can only be used directly against calls/texts. Data needs to be purchased via an add on to give you an allowance or you purchase a pack that gives you a data allowance and a call/text allowance.
To contact EE Customer Services dial 150 From your EE mobile or 0800 956 6000 from any other phone.
