@Atiah , if you have something like Skype, you can ring EE customer service for free, but you may have to wait now until after the Christmas holidays, it may be difficult to get someone to answer, as there may not be many to answer calls if any at all, here is the number:
+448000798586
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.
