You have to go in options in miflashtool.oh i tried that mi flash tool method so many many times it failed everytime everytime it ended in 1 second when i clicked flash and said succeeded i tried this method on my another mi phone too
but failed too then i ended up installing orange fox recovery and change my miui version
but for redmi note 10s there is no orange fox
no twrp then i found this one
Remove the line of argument (the line need to be empty).
And try again.