tried that, but in all guides i checked, it turns 2 light yellow, mine do 1 light yellow and 1 light green, and i always fail to calibrate, tried outside also.
If haven't maybe it good time to read the user's manual and if you haven't a copy here is a link.
This for a Phantom 2 non-vision
http://download.dji-innovations.com/downloads/phantom_2/en/PHANTOM2_User_Manual_v1.4_en.pdf
If it's Phantom 2 vision +
http://dl.djicdn.com/downloads/phan...Phantom_2_Vision_Plus_User_Manual_v1.8_en.pdf