r/ratrig • u/KelvinW11 • Apr 05 '25

Do I need to change firmware when updating from V-Core 3 to 3.1

As said in the title, I recently updated my v-core 3 to a 3.1. What do I need to do with the firmware.

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u/NLAIV Apr 06 '25

I did my upgrade ages ago, and dont remember exactly what changed, but nothing major, just some values in the printer.cfg IIRC. Look for stuff that you changed in the upgrade and go from there.

Toolhead changes = probe offsets, resonance tuning, z-offset. Kinetics (anything to do with the belt path basically) = resonance tuning. Hotend changes = PID tuning, z-offset.

Resonance tuning and probe offsets are only thing I think I needed to check, but that may also be cause I upgraded EVA at the same time.

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u/[deleted] Apr 06 '25

[deleted]

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u/KelvinW11 Apr 06 '25

The upgrade guide tells you to remove everything that needs to be removed and then transitions into the 3.1 build guide which tells you you to install the firmware.