The second method is to change online:
The first step is to directly search China Construction Bank.
Step 2, log in to personal online banking.
Enter the online banking interface, select the first option personal online banking login, and then select certificate login.
Pay attention here.
The point is, if you have an account number and password to log in with a user name, don't use it either, because self-service users can't do this business.
The third step is to select the customer service option.
There is a menu at the top of online banking. You can choose a customer service.
The fourth step is to modify the mobile phone number in the basic information.
There are basic information in the customer service submenu. Click Basic Information to modify your mobile phone number.
Extended data:
Online banking or electronic banking has two meanings:
One is the concept of institutions, which refers to banks operating through information networks.
The other is the concept of business, which refers to the financial services provided by banks through information networks, including traditional banking services and emerging services brought by the application of information technology.
In daily life and work, what we refer to as online banking is more of a secondary concept, that is, the concept of online banking service.
Online banking is not only a simple transfer of traditional banking products from the Internet, but also some changes have taken place in other service modes and connotations, and new business varieties have emerged due to the application of information technology.
Online banking, also known as online banking and online banking, means that banks provide customers with traditional services such as account opening, inquiry, reconciliation, intra-bank transfer, inter-bank transfer, credit, online certification, investment and wealth management through the Internet, so that customers can safely and conveniently manage current and fixed deposits, checks, credit cards and personal investments without leaving home.
It can be said that online banking is a virtual banking counter on the Internet.
Online banking is also called "3A Bank" because it is not limited by time and space, and can provide financial services to customers anytime, anywhere and in any way.
Characteristics of online banking
1: Fully realize paperless trading.
Most of the bills and documents used before were replaced by electronic checks, electronic bills of exchange and electronic receipts; The original paper money was replaced by electronic money, that is, electronic cash, electronic wallet and electronic credit card; The original paper document is sent by mail through the data communication network.
2. Convenient, fast, efficient and reliable service.
Through online banking, users can enjoy convenient, fast, efficient and reliable all-round services. You can use the online banking service whenever and wherever you need it.
3. Low operating cost.
Due to the adoption of virtual reality information processing technology in online banking, online banking can reduce the number of business points without reducing the original business volume.
4: Simple and easy to use.
Online e-mail communication is also very flexible and convenient, which is convenient for communication between customers and banks and within banks.
Compared with traditional banks, online banking has many advantages.
First, greatly reduce the operating costs of banks and effectively improve profitability.
Online banking mainly uses public network resources, without setting up physical branches or business outlets, reducing personnel costs and improving the efficiency of bank back-office systems.
Second, there is no time and space constraints, which is conducive to expanding the customer base.
Online banking has broken the geographical and time constraints of traditional banking business, and has the characteristics of 3A, that is, it can provide financial services to customers at any time (at any time), anywhere (in any case) and in any way (in any case), which is not only conducive to attracting and retaining high-quality customers, but also actively expanding the customer base and opening up new profit sources.
Third, it is conducive to service innovation and provides customers with diversified and personalized services.
Selling financial products such as insurance, securities and funds through bank outlets is often greatly restricted, mainly because it is difficult for ordinary outlets to provide customers with detailed and low-cost information consulting services.
Using the Internet and bank payment system, it is easy to meet the needs of customers for consulting, buying and trading various financial products. In addition to banking, customers can easily buy and sell stocks and bonds online, and online banking can provide customers with more suitable personalized financial services.