@Cm95iuy , why do you believe someone has taken another SIM card for your device, please give more details so that we can help. If they have taken one in your name that is fraud and you need to report it immediately, but make sure first that is the case.
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.
