Go | Back To Schedule
If your goal is to "go back" and set up a message for later, most modern devices have built-in features:
"We noticed you've drifted from the planned timeline." 4. Scheduling Texts for Future Delivery GO BACK TO SCHEDULE
Long-press the Send button to open the "Schedule Send" menu and select your desired delivery time. If your goal is to "go back" and
Schedule a text message on iPhone to send later - Apple Support GO BACK TO SCHEDULE