< br >
Do not have to change, magnetic stripe card and chip card can be used, but the safety factor of magnetic stripe card is not as high as the safety factor of chip card, general banks require customers to replace.
In addition, if the investor does not replace, then the bank card has a period, and the replacement card will become a chip card after the expiration. Magnetic strip card for chip card number can be changed without change, may also change, in the replacement, the customer had better demand to the bank to explain,
In addition, even if the card number is changed, but there is a relationship between the card and the new card, someone else transfers money to the old card, and the funds will be transferred to the new card.
The bank card will not be affected if the chip card is not changed.
The chip card is slightly more secure than the magnetic stripe card, and the customer does not affect the use of the magnetic stripe card if the chip card is not replaced.