In the process of using the telecom card, some people will feel that the balance in the card is not much, and they will not write off the card if they use it frequently, and they do not know how to write off the card. In addition, sometimes the cancellation has to go to the local business hall to cancel, so many people will feel very troublesome and want to cancel online. Now let's introduce the methods of online cancellation
November 10th five hundred and fifty-two
