ZTE Z9 Mini

@echo off  
%~d0
CD "%~d0%~p0"

set id=ZTE Z9_mini_International

echo .
echo phone off volume – with the power button to boot into fastboot mode (the phone set at the first screen) connect the computer
echo .
echo process the phone may reboot repeatedly once or twice
echo.
title ZTE Z9_mini_International
:flash
color 1B
fastboot -i 0x19d2 reboot-bootloader
ping -n 5 127.0.0.1 > NUL
fastboot -i 0x19d2 -w
fastboot -i 0x19d2 -S 100M flash system system.img
fastboot -i 0x19d2 reboot
echo finished the phone automatically restart boot
pause
exit