Redmi 5 plus (vince) dead after wrong flash

Mobile had no problem at all. Just wanted to downgrade for bootloader unlock purpose
but mistakely i flashed redmi s2 firmware, now the mobile is hard bricked, totally dead
i tried flashing following files
vince_ru_global_images_V9.2.10.0.NEGRUEK_20180207. 0000.00_7.1_global
vince_images_V9.2.3.0.NEGCNEK_20180118.0000.00_7.1 _cn
vince_global_images_8.8.16_20180816.0000.00_8.1_gl obal
vince_global_images_8.7.26_20180726.0000.00_8.1_gl obal
vince_global_images_V9.2.6.0.NEGMIEK_20180122.0000 .00_7.1_global
vince_global_images_V11.0.2.0.OEGMIXM_20191108.000 0.00_8.1_global

and other few files which i deleted. I also tried formatting whole flash from UMT and flash one by one but still no success