It’s caused by gyroscope’s error and occasionaly happened at low temperature.
2. Why do GLINT2 move toward one direction or spin in fixed height?
There is no fixed position at specific horizon which caused moving toward one direction,that is normal.It can’t happened in GPS mode.Please calibrate compass when spinning.
3. Why can’t Glint 2 APP download map?
APP connects with controller’s wi-fi and occupys the phone’s original wifi.APP should download map when used at first time,then connects controller’s wi-fi.