That's gonna generate you a stock firmware, input boxes are greyed out.You could also add in whatever numbers you want in the boxes and rather then hit PATCH hit the SHARE button to copy the url, then paste that url into another tab, hit PATCH then choose YES when prompted to save the file.
Here is a example of the CFW colonelkernal requested
https://ninebot.scooterhacking.org?vers ... rt_speed=0
You'll need to untick and retick the patch boxes in order to enable the patches. JS bug...
And that still won't ignore the limits.