my phantom 3 4k controller has stopped working no lights and not charging. last used a week ago still had 1 solid and 1 flashing battery light .went to fly today and nothing no lights at all.had on charge for hours and now plugged to usb aswell. but nothing happening.
is the battery dead and can it be replaced or do i need a whole new controller?
please help thanks!

Hi, Dragonflyer. We do apologize for the inconvenience. I would recommend you contact our support team to start up a ticket: https://www.dji.com/support. We have the professional team who would do their best to find out the reason why that controller stop working corresponding resolution would be provided. Thank you for your understanding. Best Regards!