I tried all things I found here, flash with all software, flash with fastboot and ...
the thing is some times it accept some , for example
fastboot flash boot boot.img
fastboot erase system
and and and
but I couldn't do flash system or recovery. when I do it, it starts to send to file to device and sending will be ok, but in writing, it says FAILED <remote: flash write failure>
can anyone help?