dji go 2.7.1

My P3P is bricked running iOS 9.3.1 and DJI Go 2.7.2. All worked prior to an auto app update to 2.7.2. Have tried a full restore, but the iCloud backup seems to be an iOS 9.3.1 install. Additionally, when you restore, it fails to install a previous version of the DJI Go app and goes off to...