Hello @Emmamd123 ,
Welcome to the community,
Your order has been accepted if you received confirmation of order, not sure what you mean by mandate? Were they asking you to ring them as they need more information? If that is the case, you will have to ring them.
To contact EE customer service dial 150 from your mobile phone or ring customer service for free using Skype or another phone: +44 800 079 8586 or +44 800 956 6000.
