DJI Fly and DJI Go4 gives us a convenient way to check if our drone is operating in CE or FCC mode. This is useful to check after performing the FCC hack.
Use these screenshots to know what to look for!
On Android the 1km text will move higher than the line if the drone is in FCC mode (see red square)
On iOS the white 1km line will move to -87 dB if the drone is in FCC mode (see red square)
The white 1km line will move to -87 dB if the drone is in FCC mode (see red square)
The channel count will reduce to 11 if the drone is in FCC mode (see red square)