How to cancel the paid 189 email address via SMS?

How to cancel the paid 189 mailbox:

1. Telecom users have opened a paid mailbox by sending SMS KTYX5/10/20 to 10001. If they want to cancel the paid mailbox as a free mailbox, they can edit it Text ZXVIP to 1065941860;

2. Dial 10000 to verify the ID information and then cancel;

3. The owner of the phone should go to the local telecommunications business hall with his valid ID. Non-owners must bring it with them. My valid ID and the original ID card of the aircraft owner will be cancelled.