faulty servo trackstar

Description:
Hello after almost three months, there received the servo, and I am completely disappointed!
to test the servant with a lipo the servo does not respond! checked with other battery and also with other radio and still does not answer!
Poor service provided by HobbyKing
https://onedrive.live.com/?cid=eb0fd667672336d4&id=eb0fd667672336d4%212074&ithint=folder,mp4&authkey=!AEStItYjiDyvKho