Today i receive my P3A from RMA, Germany. Connect a batery, put ON. Conected the RC and constant red light....and the APP says no Signal. Supposedly, they said they update P3 to 1.5..... The P3 has a constant red light on the arms, and fast yellow on the oders. Also, red light on camera flahing. I update sucefful the RC from 1.4 to 1.5. Im out of sugestions and P******* off with DJI...... Sugestions??