How do I resend a message?
Step 1: Create or Edit
Create a new or Edit an existing dialog.
Step 2: Message Retry
Select the message retry box, a calendar will appear.

Step 3: Select Date
You may resend the message up to a maximum of three times. Select the first day on the calendar you would like to resend the message on.
Step 4: Select Time
Select the time you would like the message to be re-sent.

Step 5: Repeat (if you wish)
You may repeat step 5 twice more if you wish. If the message is critical and you want to resend it 3 times in one day, you can also do that!