I used dji assistant 2 to upgrade r c and drone to current virsion 5.00 but wen i connect my phone and go on dji go4. ,yet another upgrade and it does its thing.. downoads firmware and the progress doesent go past 47%. No matter what i do or try.. and i cant even tKe off without update.. summer is here clear sky ..dji helpl me

The firmware upgrades need to be examined. With the phantom 3 upgrade you can no longer see thru the camera. The video link is very weak. DJI needs to fix these things and make sure they work.