Leo, a new member just made this post. I wonder if it would solve your issue: [U]https://forum.drvax.com/forum/3d-printing/1993-ender-3-v2-cura-settings-not-affecting-printer?p=2082#post2082[/U]
I just came on vacation.
Unfortunately I can’t help him. I also tried the SD card method but it didn’t work.
And the story of manually changing firmware is complicated. I could only do it because I am a programmer and I worked with arduino. And even so, I wouldn’t have succeeded without the tutorials on the internet.
I regret every moment I print something I bought from Creality 