Generally, you can change your mobile phone card without changing your number on the same day by taking your ID card to the front desk of the business hall and applying.
If this happens to the SIM card, there is no problem when you change the phone card or replace the phone card. It is the same as the original one, which will not lead to the failure of use. In this case, normal use can be guaranteed every day, and there is no problem, which will not be affected
