The UAE government has bought a new rule that all Emirates IDs must be linked to the owner's mobile number. This is to enable some of the safety measures. You will not be able to use some of the government services if the number is not linked. So, Change Mobile Number in Emirates Id is the only way to prevent this. If you are having any doubts regarding the Change Mobile Number in Emirates Id contact Amer Centre at Al Qouz Mall. After providing all the relevant documents and making the payments, you will receive an email verification along with the payment slips. You have to wait for 2 to 7 working days to get your number updated in the Emirates Id.