fastboot --version
at the prompt. If a adb/fastboot is found delete the folder containing them. Also, check the path environment for paths to them and remove it.fastboot flashing unlock
and press enter.fastboot reboot
at the Command Prompt and press enter.fastboot flashing lock
fastboot reboot
fastboot devices
to verify communication with phone. It should return your phone's serial number.Did anyone tried using the patched.img provided by a user on the first page?, I don't want to waste data by downloading stock boot.img