Phantom 2 with Gopro 3, installed Storm All In One FPV Premium version this morning. Using the supplied cable for the Gopro, not the Zenmuse ribbon. Did compass calibration, locked home position, slow flashing green lights, off I go. First 5 minutes was all good, but then started experiencing control issues. Was flying forward, not full speed, about 25 metres high, then it was as if it hit VRS and fell from the sky, lost all control, tried getting out of it but nothing, went straight down, luckily hardly any damage. So, I tried again. Initially it hoists, can increase altitude, then I bring it down, it does not want to hoist. Up to a point where I have to land it, does not want to control well. I tried a few times by switching on and off but same issues again. I changed transmitter batteries, main battery, tried again, same issues. What coyld have caused this? Needless to say I am a bit bummed about this!