I had similar issues with the stock rubber duck antennas so I made up some custom antennas by getting 2 standard wireless aerials from an old router, removing the rubber cover and soldering on a length of mig welding wire (to keep it…"
"Don't forget to run through all the calibrations after you upgrade. Also there is an Iris+ settings file you can load under config/tuning that will setup the battery levels correctly along with some other stuff."
"When you go through the initial setup it wipes the custom firmware (3.2-iris) and uploads 3.1 which doesn't have the second telemetry setup from the pixhawk. You can contact 3dr and request the original firmware but the latest 3.2 beta build will…"