I have issues, and I don't wear a smart watch or even bring my phone with me when flying....
It could be the extreme anger interfering with the flight however... as thats also a common trait with flying the TH.
I'm curious how smart watches might impact the way these copters behave. Considering they operate in the same frequency ranges....
You are really unlucky with your H
bought mine end of june and never had any problem with it.
Darn, my Android phone in Airplane Mode kills my Wi-Fi also.