I tried some time ago (Android phone). For me was impossible to connect Gamesir T1D on OTG for Stock Tello app and for aTelloPilot third part app neither.
That was the main reason I sold it and bought a Gamesir T1.
cheers.
Oh, T1D bluetooth does affect the video and fly distance compare to OTG connection?
Cause i was told that it uses a different type of Bluetooth connection that doesn’t interfere as much as regular Bluetooth controllers do. They use their own connection for the Tello called GCM GameSir Connection Mode.
Would you able to advise?
I am using the following app : ATelloPilot (Android) and Stock Tello (Iphone SE)
In case, PS4 controller fail to work on my Android phone. I would need to purchase a controller for that.