Bests & Worsts Reviews from Amazon

I am an experienced drone pilot and was running the latest firmware and IOS app. Read all the manuals. Watched all the videos. Went through the simulator. While flying in a wide open field, 7:46 into my last flight, the unit went from "P-GPS" mode at an altitude of 6.6 feet to Failsafe "GoHome" mode as a result of the battery power reaching 17%. Instead of descending and returning to home, it rapidly ASCENDED, by itself, to 62.3 feet - in 9 secs, veering away from the Home point until it hit a tree canopy and came crashing to the ground where the camera gimbal arm cracked and assembly was damaged. This is all verifiable by the flight data. The frightening part was that I was unable to override the Failsafe GoHome mode and could not reverse the direction of the copter. Someone (including myself) could have been seriously injured. Imagine this happening anywhere near a crowd? How high would it have gone if the tree didn't stop it? Drones crash from pilot error all the time. However, this was not pilot error but instead a very serious bug in the Failsafe code. Again, a review of the flight data confirms this. Unfortunately, DJI customer support is horrific. You can't get them on the phone and you can't leave a message. Their phone greeting states, "We are currently experiencing high call volume please try your call again later". They do not respond to support emails. If you tweet them at @DJIGlobal they will advise you to call, email them or live chat but they will not support you on Twitter. Did I mention that no one is responding on Live Chat? The "Send a Report" page of their website states, "PLEASE NOTE: For support, you must contact your dealer firstly, where you purchased the product, they are responsible for giving you the required support. Use this form only when your contact with your dealer is unsatisfactory." This speaks volumes about their attitude towards customers and is odd since you can buy direct from their own online store. The sad part is the unit has incredible potential. The 4k video is incredibly crisp and smooth and even still photos captured in RAW are impressive for a 12MP camera with a small sensor. It is also incredibly stable - as long as the battery remains above 30%. It seems that when battery levels drop the unit behaves erratically. This brings us to the issue of battery life. It is marketed at providing a best in class 23 mins of flight. I've used 3 fully charged, brand new, genuine DJI batteries and have never come close to 23 mins of flight. Of course, I manually return to home at 30% (that's when the first warning sounds) which equates to about 16 minutes of flight. For me, the risk of injury is beyond my tolerance. DJI's lack of accountability is a showstopper. Buyer beware - and be careful!