I have had a vision 2 for some time and don't have problems with it. Just obtained a vision 2+. I ran it through the software changed to naza-m, calibrated the compass and went for a test flight. When I powered up the best result I could achieve with the lights was red, green, red, green. One time I did see the multiple green lights, but it went back to red, green. Switch was set to gps mode, but when I took off it appeared to be in atti mode. I only lifted off a few feet and landed. The assistant said the imu status was ok, but I ran the advanced call anyway Not sure what I'm missing here.