You didn't say 'sudo'.

Maybe see if there's a library or maker space near you with one?

It's funny, I started using the beta for the organic supports and just thought all these other features were always there and I just never noticed them.

You'll have to reflash back to the original firmware. Download from https://www.creality.com/..., I'm guessing "Ender-3 pro 4.2.7 mainboard firmware (32 bit)".

Unscrewing the nozzle cold can also strip the threads in the heat block.

I do, but now I feel lile a sucker.