Help! Receiver Not Working with Mark Five O3 Air Drone

It will not bind or go in Wi-Fi mode 

what steps have you tried? what ahppens if you leave it powered on for over 60 seconds. does the light start flashing quickly on the rx?

No the light does not flash at all oh the rx or the other one 

We’ve tried testing it giving power to it. It’ll work then, but it just does not wanna work with my drone.

Did you power the drone by battery or only by USB of the flight controller for betaflight? Some flight controllers do not power all UARTs when connected to the PC.

Both