To update your details your account must be fully verified.

Navigate to My Profile > My Details and click on Update My Details next to your personal details.

Enter and confirm your new email mobile number then click Save.
We will send a verification code to your mobile. You will need to enter this code and click Continue
We will send you a verification code to your new mobile. You will need to enter this code and click Continue
We will send you email and SMS confirmation that your details have been updated.

If you are unable to update your mobile number via this method, please contact us.