Unfortunately, the Creality Ender-3 V3 Neo is currently not, to our knowledge, compatible with OctoPrint, Mainsail, Fluidd, or SimplyPrint. For the best 3D printing experience, consider other 3D printers that are compatible with this software.
SimplyPrint
No, Creality Ender-3 V3 Neo is not compatible with SimplyPrint