If you want to delete Instagram messages on your iPhone, there are a few different ways to go about it. The first way is to open the Instagram app and tap on the three lines in the top left corner of the screen. From here, you can select Messages, followed by Delete Messages. If you want to delete all of your messages from Instagram at once, you can head over to the app’s main menu and select Settings. From here, you can select General and then Messages. Here, you’ll be able to select all of your messages from Instagram and delete them all at once. If you only want to delete a specific message from Instagram, you can do so by opening that message and tapping on the three lines in the top left corner of the screen. From here, you can select Edit followed by Delete Message. ..