Triggers won't work if controller connected to android device with Cable

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Summary

Triggers ( RT and LT ) on Xbox controller doesn’t work when controller connected by wire to android phone, So you are not able to aim or shoot.

I also installed controller checker on my phone to see if button registers and it does, so there is no problem with the phone or the controller, I even switch my phone from Samsung to Google Pixel but issue still remains.

although if controller is connected with Bluetooth it works but that is not the point.

Steps to Reproduce

Use USB-A to USB-C dongle to connect controller to my phone with Cable.
I used Xbox one controller

Expected Result

Every controller button should work when controller connected to android phone with Cable, as it does on other games

Observed Result

Triggers won’t work ( RT / LT )

Platform(s)

Android

Same issue. Generic Xbox controller connected via usb c - trigger input detected as left joystick input. Left trigger modifies left Y-axis and right trigger modifies left Y-axis. Fortnite is unplayable. All other inputs appear correct.