How does ICBC bank card change the mobile phone number of SMS reminder in online banking?

ICBC card changes the mobile phone number of online banking SMS reminder: \x0d\① First log in to ICBC homepage, and click Personal Online Banking to log in. \x0d\② Enter the login page, enter the user name, password and verification code in the boxes indicated by the red arrow respectively, and finally click Login. \x0d\③ At this time, you will enter the main interface of the bank and find the customer service item in the classic view. \x0d\④ Click Customer Service. After entering, you can see that the sidebar on the left has many options. Find the items to query and modify customer contact information. \x0d\⑤ Click Query to modify customer contact information, and the type of contact information will be displayed. Click the drop-down box to select a mobile phone. \x0d\⑥ Click Query, the previously set reserved mobile phone number will pop up, fill in the reserved mobile phone number, and then click Add. \x0d\\x0d\ Note: usb-key should be used in the whole modification process.