People whose domestic bank cards can't receive short messages abroad can change to foreign mobile phone numbers

If you are abroad, you cannot modify the reserved mobile phone number of domestic bank cards.

To modify the reserved mobile phone number of the bank card, you need the card to host the bank card and ID card to go to the counter of the bank branch where the account is opened. You can handle this business after you return to China. This business can be completed on the spot, effective immediately, free of charge.