PWFMDD200 AAA74919206 Minimum requirements: Apple iPhone with iOS 8.0 or higher Android phone with Android 4.12 or higher Latest version of free SmartThinQ app downloaded and installed from App store (iOS) or Play store (Android). Resolution: Android 320 x 480 or higher; iOS 960 x 640 or higher Installation: To use LG Smart AC, user must install the app on their smartphone and sign up for a new account and then connect the WLAN module to the indoor unit. *Only functions with certain models, LS..HSV3, LS..HSV4, LA..HYV, and LS..HV3 indoor unit series