How to modify the mobile phone number of SMS reminder through ICBC e-link?

Please log in to Rongge, click the official account of ICBC Messenger WeChat on the message tab, and select the Messenger management function (the page will automatically jump to mobile banking): 1 Select an account, click Modify to query/modify the SMS reminder mobile phone number of a single account; 2. Click the "Set Mobile Number" option to modify the receiving mobile phone numbers of multiple accounts at one time. Tips: If the modified receiving mobile phone number is not credible, you need SMS verification code and U shield or password authentication. A single account will take effect immediately after modification, and multiple accounts will take effect within 6 hours after one-time modification.