Lenovo S90/U

@echo off

Brush in title

echo.

echo phone connected USB, select USB debugging popups

echo.

Note that the screen prompts echo authorized debugging

echo.

echo Brush Model Information:

adb shell getprop ro.build.product

adb shell getprop ro.product.model

pause

adb reboot-bootloader

echo.

fastboot -u -S 300M flash system system.img

fastboot -u flash userdata userdata.img

fastboot reboot

echo patch is completed, the phone automatically restart

pause