We have this fixture in the database but haven't confirmed the current firmware version or a reliable source. If you have it, submit it below. It helps every crew that preps this fixture after you.
what you'll need: No firmware update mechanism published for SoftLED 4 VW on desisti.it. DMX-controlled (3 channels: dimmer, CCT, mode). Factory update only.
GotchaSoftLED 4 VW is Vari-White only (2800-6600K), not VW+Color. If the fixture in use is actually an S4 VWC, firmware 4.1 applies (see VWColor range entry).
GotchaManual available at http://www.desisti.it/wp-content/uploads/2018/10/CE-Instruction-Manual-De-Sisti-SOFT-LED-4VW.pdf