the way to downgrade firmware TCM for Fiesta MK7 DPS6

[kittypong46]

hello friend

i would like your help for these two question

A ) i'm looking for calibration file name to bring it download in https://www.fordtechservice.dealerconne ... roduct=IDS
the reason why i asking you for this because i have an Ford fiesta 1.6 MK7 DPS6 transmission and i try to downgrade TCM firmware to previously version which is better one in my personal opinion
by using IDS program could you please help check for this ?

B) if (A) unworkable the UCDS can do ?

[kroligoff]

https://www.ucdsys.ru/calibration/