How to send messages twice with oppo mobile phone?

The setting method of OPPO mobile phone dual card is as follows: After inserting the dual card, go to Settings-Dual Card and Mobile Network-Default Card Settings (category name, not clickable), click Dial-up Internet access, and set the default card of the corresponding function;

1, the telephone function can be dialed by clicking, and the default dialing can be set as card 1, card 2 or every inquiry as required, and the automatic callback function of call records can also be switched as required;

2. Internet access function Click Internet access, and set 1 card or 2 card as the default network card as required;

3. Unable to set the default card for SMS function. In the message sending interface, you can directly click Card 1 or Card 2 to send.