been having this issue for a while now and its starting to really bug me. im flying in pretty open areas, nothing crazy, and im losing connection around 800-900 meters sometimes even less. the specs say 12km which i know is basically a marketing number but i used to regularly get 3-4km no problem and now its just dropping out way earlier.

i updated firmware a couple weeks ago and honestly im not sure if thats when it started or if it was before that. i didnt really pay attention. the signal strength looks fine on the screen and then it just cuts and goes into RTH. its not a flyaway or anything, RTH kicks in fine, but its annoying because im in the middle of a shot and then suddenly its coming home.

havent changed anything about my setup. same phone, same RC-N1 controller. flying in the same spots ive flown for over a year. is this a firmware thing or should i be looking at the controller itself

first thing id check is whether there's any new interference in the areas you're flying. wifi routers, cell towers, even some industrial equipment can mess with OcuSync in ways that feel really random. 800-900m sounds like interference more than a hardware problem to me, especially if RTH is working cleanly ? that means the link isnt totally dead, just degraded enough to trigger the failsafe threshold.

also worth going into the DJI Fly app and checking your RTH signal loss settings. theres a minimum signal strength threshold in there and it might have reset with the firmware update. ive seen that happen before. wouldnt hurt to do a controller calibration too while you're at it.

same thing happend to me a few months back and i was convinced it was the firmware. ended up doing a full refresh on the drone and controller ? like wiped everything and set it up from scratch ? and it got better. not sure if it actually fixed the root cause or just reset something weird in the settings but it worked for me. probably worth trying before you send anything in for repair