kess 4.036 update to 5.017 in two ways, one is to fill nxp and sdcard with this firmware, another way is buy one new Kess V2 V5.017 red board.
2. sdcard files
Free download Kess 5.017 SD card image:
Because it has risk to damage the machine.
one user have all necessary, and have NXP and SD already programmed, paid 200€ without tokens ks2.23 fw5.017 without dongle and all activate (cars trucks boat tractor).
Actually, A complete Kess V5.017 is for around €85 like this one