This video will show you how to reset the model 821LM MyQ Garage. This is useful if you have an iPhone or iPod touch and are having trouble and need to start over. For more about MyQ: www.liftmaster.com/For-Homes/MyQ-Connected-Home Join us on social: Facebook: www.facebook.com/LiftMaster Twitter: twitter.com/LiftMaster Pinterest: www.pinterest.com/LiftMaster/