A3000 Bricked and unable to flash a firmware

hello
my lenovo ideatab a3000-h is bricked, and i am trying to flash new firmware using sp flash tool but this error keep showing
brom erro wirte_failed
always at the same place after writing about 320 mb

i tried everything i could find and it didn't work

note: i used to flash the same firmware before and it was working

help me please.