First post First quad Last night I purchase a p3adv from a local photography shop. Allowed the batteries to charge overnight. When I got home for lunch today I decided to update the firmware. Prior to updating firmware I wanted to see the RC connect to the quad. Using an iPad Air. Control connected just fine but I got the dreaded connection lost for the video, no control over the camera at all. No image either. Downloaded latest firmware for the quad but it didn't even recognize the sd card. No blinking light on the camera... Nothing. Tried older firmware versions with same result. Concluded something was definitely wrong with the camera. Took the unit back, tech at the shop confirmed and said they were sending it back to dji for repair. They grabbed a new one for me, I had my iPad and asked if we could test there on the spot. Handheld remote DEAD. Stood there for 30 minutes to see if it would start charging. Not a thing. So they grabbed another one. Powered it up and gimbal was lame, would not hold camera in position. No resistance on the motors at all. So now they grab a 4th unit. Perfect! Works as expected. Glad I insisted we test at the shop, hopefully this was an anonimly because 1 out of 4 is pretty bad odds when it comes to qc.