Flight controller armed via mavlink python3 but motor doesn’t spin

hey guys basically my problem is what I mentioned in the topic i callibrated ESC directly connected to transmitter(ch3) separately, thx for ur help

Mot_thr_arm too low?

am sorry for my late respond and thx u always helping me, i just noticed that the mode do not change it always stays as STABILIZE mode do u have any idea why?

It can only change to loiter if you have a GPS fix.

thx i will do that and aware u about the results