You are using the wrong xmls for the fastboot commands. The system.img was renamed system.img.ext4 in some of the updates. So you need to rerun the script creator again in the 907fxz directory to create the right ones Sent from my VS980 4G
Not certain I understand. Do I need to rename 'system.img' to 'system.img.ext4', then re-run the script generator?