I've only had my PV for a few days and a few flights now. It seems to fly quite nicely but there are a few things that are troubling me and perhaps some folks here could give me advice: Problem 1: The barometric altimeter does not seem to be functioning properly. A couple of times it seemed accurate, but usually when I start up the PV and let it get warmed up it registers a negative altitude, anywhere between -3ft to -100ft. I just took a test flight in my front yard and it registered -89.2ft on the ground and -65.9ft when I took it about 20-30ft above the rooftops. I've tried searching all over this forum and elsewhere for anyone else having this problem but I've had no luck. Is this something that can be calibrated in the Assistant software or is it possibly a faulty altimeter? (Calibrating the compass does not seem to change this.) Here is a screenshot of the app on my iPhone: https://dl.dropboxusercontent.com/u/1921655/photo 2.PNG Problem 2: It seems that I have the "blurry/soft left side of photo" problem that others have reported. Do these photos verify this: https://dl.dropboxusercontent.com/u/1921655/DJI00002.JPG https://dl.dropboxusercontent.com/u/1921655/DJI00003.JPG https://dl.dropboxusercontent.com/u/1921655/DJI00036.JPG Problem 3: Assuming that I have a defective camera and need it or the PV replaced, how should I best go about arranging this through DJI? I did not buy this from a "dealer", but instead purchased it directly through the DJI.com website. I've read numerous accounts on this forum about how DJI support & customer service is not that great. (I also didn't receive my free 2nd battery even though I purchased this on 12/18). Can anyone suggest the best way to contact them to get these potential issues resolved quickly? Thanks in advance for your help!