How to turn on caller ID? (mobile phone)

You can open or unsubscribe by SMS.

On: send BLLDXS to 10086.

Cancel: send QXLDXS to 10086.

2.

You can open or unsubscribe from the Internet through (China Mobile).

Select Province and City-Business Handling-My Mobile Phone-

Log in with your mobile phone number (if you forget the service password, you can use the dynamic password).

-Business processing

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3. Call 10086 to open.

4. Bring your ID card to the entity business hall.

The above information takes Guangdong as an example, 10086.cn website.