How to change the mobile phone number of Dongying social security card

Hello, how to change the mobile phone number of social security card? Method for changing the mobile phone number of social security card: Method 1: The social security center can directly carry the ID card and social security card to the social security center of the insured place to make changes. After applying to the counter staff for changing the reserved mobile phone number, the staff will assist in modifying the mobile phone number. Method 2: Social Security official website can directly enter the official website of the local Human Resources and Social Security Bureau, and then enter his own account number and password to log in and make changes in Social Security official website. After logging in, find "password security modification, mobile phone binding" and click to enter; Then enter a new mobile phone number in the column of "New phone required"; Click "Send Verification Code" after confirming that the entered mobile phone number is correct, then enter the received verification code, and finally click "Mobile phone binding" to modify it successfully and bind the new mobile phone number. Mode 3: Enter the city service or citizen center through WeChat or Alipay, and click the social security service corresponding to the city. If the mobile phone number modification service of social security card is opened, it can be replaced directly according to the operating instructions.