Autotune is not working

dear ,
i made two drones using pixhawk cube black . i change the all the parameters thrust expo like this after that i try to do autotune pid values are not changing . what i should i do for tune the my quad .

The most common mistake is switching out of Auto Tune before landing and disarming.

i did not switch out while landing also . while tuning time at least change the pids values but its not changing after tuning landed in autotune mode only

Post a link to the .bin flight log of the Auto Tune session where this happened. It’s almost always a misunderstanding of how modes switch/override that causes this.