How to send timed SMS with vivo mobile phone?

Setting method for sending short messages regularly:

Method 1:

Create a new timing message: enter a message-click the+sign in the upper right corner-click the+sign in the lower left corner-timing information-set the sending time-OK-add a contact-edit the content-send.

Send a timed message to an existing recipient: enter a message-click the "+"sign at the bottom left-timing information-set the sending time-OK-add a contact-edit the content-send.

Method 2:

Wake up Jovi's voice assistant and tell Jovi's voice assistant to send XX content to XX people at XX time, such as texting Xiao V at six o'clock in the evening to say that he will come back for dinner.