How to turn off the SMS of the secondary card for oppo mobile phone?

Log in to China Mobile APP, find the secondary card business in "Business Completion", and click "Unsubscribe" to cancel.

If you can't find the supplementary card business that can be cancelled according to the above steps, you can call customer service 10086 to find out the type of supplementary card business you handle and how to cancel it. According to the manual prompt of 10086, you can unsubscribe from the secondary card service by SMS. If you can't unsubscribe from the SMS, you need to go to the local business hall.

Oppo mobile phone dual card only receives one message from the main card:

1. Go to the app window and find the "Settings" item of the mobile phone.

2. In the "Settings" window, use the second item "SIM Card Settings" under the category of "Wireless and Network" to make relevant settings.

3. Click to enter the "SIM card settings" page. The switch at the top controls the dual SIM card, and the use of the mobile phone card is directly controlled through the correct switch. Click the switch, the status will change from 1 to 0, and the calling card will be deactivated. From 0 to 1, the calling card will be activated.

4. Click the card name directly to enter the card information modification page, and change the card name to your favorite name, which is impressive and convenient for distinguishing two SIM cards when dialing.

5. Return to the instant messaging settings page. There are three settings here: call, SMS and network data. When talking, the SMS setting is not significant, so it can be set by default.