So I have been using my OTG adapter with my iPhone 7 recently and have been having issues with the remote control settings. Does anyone else have issues with your button mapping being reset every time? I have to go in a reset my custom buttons every time I connect via OTG. I am also having issues syncing the spark to the RC while connected via OTG. I'll turn on the RC and the spark, make sure DJI Go says the RC is connected, and then go into the RC linking screen, but it just says the RC is not connected. I had to connect to the RC via wifi, sync it with the spark and then turn off my wifi to use the OTG connection.