controller problems

Yesterday when going out for a ride with the drone, I couldn't turn on the controller. It just didn't turn on, none of the lights, not even the battery. I figured it was discharged (despite having left the controller charged the last time I used it) and put it to charge the battery. The problem...

I've had my Karma for a bit of time and have maybe 2 hours of flight on it total. My controller has developed and issue with the responsiveness in the touchscreen. All components are updated firmware software. Both toggles and controls are perfectly fine. When I touch the screen to make changes...