hello everyone, I have been building a mini quad using coreless motors and f3 evo v 2.0 fc. and I am facing this issue as you can see in the screen shot , one of the motors (motor no. 4) is not responding the way it should  **(screen shot at full throttle). Can anybody help me to sort out the issue?

have you flown it ? , calibrate accelerometer

broke one of the props while installation so I couldn't fly it yet. have ordered some spares. I have flashed it again using clean flight as I found a recently updated firmware on it .

let me know after you fly it

sure sir. thank you

Without using the transmitter, use the Master slider and check if the motor responds to that command?

yes it is responding to the master slider ..

flew it innumerable times to see it crash most of the time except 2 or 3 commendable hovers , doing a bit of PID tuning. one motor got burnt.

finally after some PID adjustments (minor), with the self leveling angle mode (option in betaflight) on , I was able to control and fly it till the battery gave up. It was quite a journey , I fried the mosfet / ic (don't know what) of motor no. 3 and had thought that the f.c was of no use for me but fortunately F3 evo can accommodate 6 motors (mini hexacopter) and I came across a youtube video which showed me how to remap motors using CLI in betaflight and was able to use motor no. 5 instead of the burnt motor no. 3 port and then finally downloaded the latest betaflight set up and configured the quad using it instead of the chrome extension and everything fell into place. It flies so well. Below are the Pics with the canopy on.

it flies well
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why haven't you used brushless motor?

its a cheap set up and the flight control board which I bought is for brushed motors. thanks @hunny