Hello, card friend.
Whether the holder of an ICBC credit card applies for an ICBC credit card by himself or entrusts others to apply for an ICBC credit card, as the card owner of the bank's credit card (such as you), you can Modify personal information, such as reserved mobile phone number, transaction password, etc., due to changes in one's own circumstances or to protect the security of credit card use.
Generally speaking, you can modify personal information through the counter of the bank's branch, the bank's personal online banking, or the bank's customer service hotline. You can choose the channel according to your own arrangements. In short, there will be relevant Staff guidance, website page text prompts and voice guidance.