Xiaomi automatically sends text messages when changing cards.

1. Click on the phone settings, and slide up the settings menu to select other application management.

2. Enter the downloaded installation application interface. 3. Click the application you want to set up. 4. Slide the application information menu up, and then click Rights Management. 5. Turn on the phone; Look for the click to send SMS option. (Green tick indicates permission) 6. In the pop-up options bar, click Reject. 7. Send SMS bar will display a red cross, indicating that the application is prohibited from sending SMS. Set options; Turn off SMS-Settings-Reminders and Notifications-and the following options.