Any website is acceptable, and changes can be made online.

You can go to the business hall to find the lobby manager, or you can make changes online. The steps are as follows: Step 1: Open the homepage of Bank of China Online Banking, click E-Banking, and then click Personal Customer Online Banking Login. Step 2: Enter your online banking username and password. Only you will know this. Step 3: After logging in to online banking, click Personal Settings, and from the function options on the left, click Update Recipient Information. Step 4: Next enter your new mobile phone number, click Next, then enter the mobile phone confirmation code received by the mobile phone, and then click Next. Step 5: Modify the recipient information as follows. Enter the name and mobile phone number you want to modify and click OK to change. Step 6: The recipient information has been modified successfully, and your bank mobile phone number has been modified.

Extended information: Services provided by Bank of China’s online banking Account inquiry: Get your online banking associated account information anytime and anywhere, and query account balances, transaction details or asset summary reports of all associated accounts. Transfer and remittance: It is convenient to transfer funds between my online banking related accounts, or to transfer and remit money from my account to other people's accounts locally or remotely, within the same country or across banks; you can also add and withdraw time deposits, or renew time deposits . Bill payment: Pay a variety of daily expenses by yourself, such as landline bills, mobile phone bills, etc.