One plus mobile phone automatically sends messages.

When we turn on the automatic control of calibration flow timing, the mobile phone will automatically send a short message CXLL to 100 10 every day. ...

2.

If you want to cancel, you can click the settings on your mobile phone;

3.

Click all the settings in the phone settings and find "Traffic Management";

4.

Select package settings;

5.

The current setting is that "package limit/start date" is set, and it is automatically calibrated regularly/every day; And select "monthly used traffic reminder";