How to close Unicom's letter?

You can follow the following steps when closing the communication:

1. Open Unicom's letter APP and find the "My" page on the home page.

2. Click on the "My" page and look for the "Settings" option in the page.

3. Click the "Settings" page to find the "Message Settings" option.

4. In "Information Settings", find the "SMS Service" option and turn it off.

Note: If the bank card, credit card and other materials are bound, you need to unbind them to close the letter of Unicom. After closing, you will no longer receive SMS push from the service, and the service will no longer charge you. If you need to use this service, you can reopen it.