We are very sorry to hear about this very peculiar messaging issue you have been experiencing when sending this meme to your friend, Jesse_. We will be more than happy to assist with this in every way that we can to ensure that your friend no longer receives any more duplicate messages. You have completed some great troubleshooting steps so far. What is the make and model to the device that you have? Has your friend powered their device off and back on as a troubleshooting step as well? Are you experiencing any other duplicate related issues with the Message+ app? BrettA_VZW