You MUST to uninstall the old version of HW link V2 first. The ESC can now use a wireless connection via the use of the HW WiFi express module or OTA Progammer for the following operating systems ; Android phone (using the HW LINK APP) users can easily and remotely (without leaving the control stand) program the ESC parameters displayed on the smart phone to their own preference. Work on the XERUN series, EZRUN series of car ESCs, and the Platinum series of aircraft ESCs, and SEAKING PRO series