Hi our friends phantom 3 pro haa landed here , he updated it , since then he loat video feed , since ive had it i have tried to update firmware in both ac and rc through laptop but the ac wont upgrade the rc and when i try and go on the go app the rc isnt connecting to the phone eithr , am i right in thinking the connections port might be knakerd ? Ive tried diffrent cables and ive done all usuall app uninstall and reinstall done the re link ext.still nothing anyone.any ideas please