Go to theMessagesview that shows all of your conversations.
If you’re in a conversation, tap the arrow in the top left corner.
From this screen, there are three ways to mark a text as unread.
For another option, swipe left to right across the conversation to reveal the blue message icon.
Keep swiping or tap the icon.
Lastly, long press the conversation and tapMark as Unreadfrom the pop-up menu.
Marking a text as unread using these instructions doesn’t change the status of a Read Receipt.
They still get the Read Receipt.
Marking as unread only changes the status of the message on your iPhone.
MoveFilter Unknown Sendersto on/green.
In Messages, tapFiltersin the top left corner.
TapUnread Messagesto see only the conversations that have texts marked as unread in them.
Tomark aniPhoneemail as unread, select theReplybutton, then chooseMark as Unread.
