How to cancel the ringtone service of China Unicom?

Preparation tool: Any mobile phone that can send short messages, taking Huawei P20 as an example.

1. Open the mobile phone, find the following SMS option on the mobile phone desktop, and click this option to enter the SMS page.

2. Find the edit option at the top right of the SMS page, and click this option to enter the SMS edit page.

3. In the short message editing page, enter the words "100 10" in the input box of the recipient column, which is the official telephone number of Unicom.

4. In the text editing page, enter the word "XLZX" in the input box of the content editing column, which is the Korean abbreviation for canceling the ringtone.

5. After entering the above contents, select the mobile phone number to be cancelled on the right side of the input box, and click Send to wait for SMS notification.