erratic behavior

I recently received a new P4 in exchange for an older P4 whose vision system gave problems (DJI replaced it within the warranty period). I calibrated gimbal and compass before using it, and I downloaded the new DJI Go4 app on my Samsung Note 4 and I must say, I am afraid to fly now. Where my...

Tonight I took my PS3 out for my first night flight. Everything was going pretty good. I realized the battery was getting low so I told to come home. At first I didn't think it was moving. Then I looked at my phone and realized it was rising. The drone was at 400 ft when I hit go home. I rose to...